diff --git a/apps/opencs/model/world/columnbase.hpp b/apps/opencs/model/world/columnbase.hpp
index 3902a009b..c994ced15 100644
--- a/apps/opencs/model/world/columnbase.hpp
+++ b/apps/opencs/model/world/columnbase.hpp
@@ -99,7 +99,7 @@ namespace CSMWorld
             Display_NestedDestinationsList,
             Display_PathgridPointList,
             Display_PathgridEdgeList,
-            Display_RegionSoundList,
+            Display_NestedHeader,
 
             Display_EnchantmentType,
             Display_BodyPartType,
diff --git a/apps/opencs/model/world/columnimp.hpp b/apps/opencs/model/world/columnimp.hpp
index 06467a632..675352d35 100644
--- a/apps/opencs/model/world/columnimp.hpp
+++ b/apps/opencs/model/world/columnimp.hpp
@@ -2357,11 +2357,10 @@ namespace CSMWorld
     };
 
     template<typename ESXRecordT>
-    struct RegionSoundListColumn : public Column<ESXRecordT>
+    struct NestedParentColumn : public Column<ESXRecordT>
     {
-        RegionSoundListColumn ()
-        : Column<ESXRecordT> (Columns::ColumnId_RegionSounds,
-                ColumnBase::Display_RegionSoundList, ColumnBase::Flag_Dialogue)
+        NestedParentColumn (Columns::ColumnId id)
+        : Column<ESXRecordT> (id, ColumnBase::Display_NestedHeader, ColumnBase::Flag_Dialogue)
         {}
 
         virtual QVariant get (const Record<ESXRecordT>& record) const
@@ -2376,11 +2375,10 @@ namespace CSMWorld
 
     };
 
-    struct RegionSoundNameColumn : public NestableColumn
+    struct NestedStringColumn : public NestableColumn
     {
-        RegionSoundNameColumn ()
-        : NestableColumn (Columns::ColumnId_SoundName,
-                ColumnBase::Display_String, ColumnBase::Flag_Dialogue)
+        NestedStringColumn (Columns::ColumnId id)
+        : NestableColumn (id, ColumnBase::Display_String, ColumnBase::Flag_Dialogue)
         {}
 
         virtual bool isEditable() const
@@ -2389,11 +2387,10 @@ namespace CSMWorld
         }
     };
 
-    struct RegionSoundChanceColumn : public NestableColumn
+    struct NestedIntegerColumn : public NestableColumn
     {
-        RegionSoundChanceColumn ()
-        : NestableColumn (Columns::ColumnId_SoundChance,
-                ColumnBase::Display_Integer, ColumnBase::Flag_Dialogue)
+        NestedIntegerColumn (Columns::ColumnId id)
+        : NestableColumn (id, ColumnBase::Display_Integer, ColumnBase::Flag_Dialogue)
         {}
 
         virtual bool isEditable() const
diff --git a/apps/opencs/model/world/columns.cpp b/apps/opencs/model/world/columns.cpp
index 39b3ea2e3..c9155a5ad 100644
--- a/apps/opencs/model/world/columns.cpp
+++ b/apps/opencs/model/world/columns.cpp
@@ -237,6 +237,10 @@ namespace CSMWorld
             { ColumnId_SoundName, "Name"},
             { ColumnId_SoundChance, "Chance"},
 
+            { ColumnId_FactionReactions, "Reactions"},
+            //{ ColumnId_FactionID, "Faction ID"},
+            { ColumnId_FactionReaction, "Reaction"},
+
             { ColumnId_UseValue1, "Use value 1" },
             { ColumnId_UseValue2, "Use value 2" },
             { ColumnId_UseValue3, "Use value 3" },
@@ -263,6 +267,7 @@ namespace CSMWorld
             { ColumnId_Skill4, "Skill 4" },
             { ColumnId_Skill5, "Skill 5" },
             { ColumnId_Skill6, "Skill 6" },
+            { ColumnId_Skill7, "Skill 7" },
 
             { -1, 0 } // end marker
         };
diff --git a/apps/opencs/model/world/columns.hpp b/apps/opencs/model/world/columns.hpp
index 49a9208b0..531cf9972 100644
--- a/apps/opencs/model/world/columns.hpp
+++ b/apps/opencs/model/world/columns.hpp
@@ -226,6 +226,10 @@ namespace CSMWorld
             ColumnId_SoundName = 209,
             ColumnId_SoundChance = 210,
 
+            ColumnId_FactionReactions = 211,
+            //ColumnId_FactionID = 212,
+            ColumnId_FactionReaction = 213,
+
             // Allocated to a separate value range, so we don't get a collision should we ever need
             // to extend the number of use values.
             ColumnId_UseValue1 = 0x10000,
@@ -259,7 +263,8 @@ namespace CSMWorld
             ColumnId_Skill3 = 0x50002,
             ColumnId_Skill4 = 0x50003,
             ColumnId_Skill5 = 0x50004,
-            ColumnId_Skill6 = 0x50005
+            ColumnId_Skill6 = 0x50005,
+            ColumnId_Skill7 = 0x50006
         };
 
         std::string getName (ColumnId column);
diff --git a/apps/opencs/model/world/data.cpp b/apps/opencs/model/world/data.cpp
index c387298d2..3352dd30e 100644
--- a/apps/opencs/model/world/data.cpp
+++ b/apps/opencs/model/world/data.cpp
@@ -108,6 +108,15 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, const ResourcesManager& resourc
     mFactions.addColumn (new HiddenColumn<ESM::Faction>);
     for (int i=0; i<7; ++i)
         mFactions.addColumn (new SkillsColumn<ESM::Faction> (i));
+    // Faction Reactions
+    NestedParentColumn<ESM::Faction> *reactions =
+        new NestedParentColumn<ESM::Faction> (Columns::ColumnId_FactionReactions);
+    mFactions.addColumn (reactions);
+    mFactions.addAdapter (std::make_pair(reactions, new FactionReactionsAdapter<ESM::Faction> ()));
+    mFactions.getNestableColumn(mFactions.getColumns()-1)->addColumn(
+            new NestedStringColumn (Columns::ColumnId_Faction));
+    mFactions.getNestableColumn(mFactions.getColumns()-1)->addColumn(
+            new NestedIntegerColumn (Columns::ColumnId_FactionReaction));
 
     mRaces.addColumn (new StringIdColumn<ESM::Race>);
     mRaces.addColumn (new RecordStateColumn<ESM::Race>);
@@ -140,12 +149,15 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, const ResourcesManager& resourc
     mRegions.addColumn (new NameColumn<ESM::Region>);
     mRegions.addColumn (new MapColourColumn<ESM::Region>);
     mRegions.addColumn (new SleepListColumn<ESM::Region>);
-    // see idadapterimpl.hpp and columnimp.hpp
-    RegionSoundListColumn<ESM::Region> *soundList = new RegionSoundListColumn<ESM::Region> ();
+    // Region Sounds
+    NestedParentColumn<ESM::Region> *soundList =
+        new NestedParentColumn<ESM::Region> (Columns::ColumnId_RegionSounds);
     mRegions.addColumn (soundList);
     mRegions.addAdapter (std::make_pair(soundList, new RegionSoundListAdapter<ESM::Region> ()));
-    mRegions.getNestableColumn(mRegions.getColumns()-1)->addColumn(new RegionSoundNameColumn ());
-    mRegions.getNestableColumn(mRegions.getColumns()-1)->addColumn(new RegionSoundChanceColumn ());
+    mRegions.getNestableColumn(mRegions.getColumns()-1)->addColumn(
+            new NestedStringColumn (Columns::ColumnId_SoundName));
+    mRegions.getNestableColumn(mRegions.getColumns()-1)->addColumn(
+            new NestedIntegerColumn (Columns::ColumnId_SoundChance));
 
     mBirthsigns.addColumn (new StringIdColumn<ESM::BirthSign>);
     mBirthsigns.addColumn (new RecordStateColumn<ESM::BirthSign>);
@@ -341,7 +353,7 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, const ResourcesManager& resourc
     addModel (new IdTable (&mGmsts), UniversalId::Type_Gmst);
     addModel (new IdTable (&mSkills), UniversalId::Type_Skill);
     addModel (new IdTable (&mClasses), UniversalId::Type_Class);
-    addModel (new IdTable (&mFactions), UniversalId::Type_Faction);
+    addModel (new IdTree (&mFactions, &mFactions), UniversalId::Type_Faction);
     addModel (new IdTable (&mRaces), UniversalId::Type_Race);
     addModel (new IdTable (&mSounds), UniversalId::Type_Sound);
     addModel (new IdTable (&mScripts), UniversalId::Type_Script);
diff --git a/apps/opencs/model/world/data.hpp b/apps/opencs/model/world/data.hpp
index 329aceaf7..858f82639 100644
--- a/apps/opencs/model/world/data.hpp
+++ b/apps/opencs/model/world/data.hpp
@@ -69,7 +69,7 @@ namespace CSMWorld
             IdCollection<ESM::GameSetting> mGmsts;
             IdCollection<ESM::Skill> mSkills;
             IdCollection<ESM::Class> mClasses;
-            IdCollection<ESM::Faction> mFactions;
+            NestedIdCollection<ESM::Faction> mFactions;
             IdCollection<ESM::Race> mRaces;
             IdCollection<ESM::Sound> mSounds;
             IdCollection<ESM::Script> mScripts;
diff --git a/apps/opencs/model/world/idadapterimp.hpp b/apps/opencs/model/world/idadapterimp.hpp
index d5a44aea2..00f7b1831 100644
--- a/apps/opencs/model/world/idadapterimp.hpp
+++ b/apps/opencs/model/world/idadapterimp.hpp
@@ -5,6 +5,7 @@
 
 #include <components/esm/loadpgrd.hpp>
 #include <components/esm/loadregn.hpp>
+#include <components/esm/loadfact.hpp>
 
 #include "idadapter.hpp"
 #include "nestedtablewrapper.hpp"
@@ -218,7 +219,12 @@ namespace CSMWorld
 
         virtual QVariant getNestedData(const Record<ESXRecordT>& record, int subRowIndex, int subColIndex) const
         {
-            ESM::Pathgrid::Edge edge = record.get().mEdges[subRowIndex];
+            ESXRecordT pathgrid = record.get();
+
+            if (subRowIndex < 0 || subRowIndex >= static_cast<int> (pathgrid.mEdges.size()))
+                throw std::runtime_error ("index out of range");
+
+            ESM::Pathgrid::Edge edge = pathgrid.mEdges[subRowIndex];
             switch (subColIndex)
             {
                 case 0: return subRowIndex;
@@ -233,6 +239,10 @@ namespace CSMWorld
                                     int subRowIndex, int subColIndex) const
         {
             ESXRecordT pathgrid = record.get();
+
+            if (subRowIndex < 0 || subRowIndex >= static_cast<int> (pathgrid.mEdges.size()))
+                throw std::runtime_error ("index out of range");
+
             ESM::Pathgrid::Edge edge = pathgrid.mEdges[subRowIndex];
             switch (subColIndex)
             {
@@ -258,6 +268,126 @@ namespace CSMWorld
         }
     };
 
+    template<typename ESXRecordT>
+    class FactionReactionsAdapter : public NestedIdAdapter<ESXRecordT>
+    {
+    public:
+        FactionReactionsAdapter () {}
+
+        virtual void addNestedRow(Record<ESXRecordT>& record, int position) const
+        {
+            ESXRecordT faction = record.get();
+
+            std::map<std::string, int>& reactions = faction.mReactions;
+
+            // blank row
+            reactions.insert(std::make_pair("", 0));
+
+            record.setModified (faction);
+        }
+
+        virtual void removeNestedRow(Record<ESXRecordT>& record, int rowToRemove) const
+        {
+            ESXRecordT faction = record.get();
+
+            std::map<std::string, int>& reactions = faction.mReactions;
+
+            if (rowToRemove < 0 || rowToRemove >= static_cast<int> (reactions.size()))
+                throw std::runtime_error ("index out of range");
+
+            // FIXME: how to ensure that the map entries correspond to table indicies?
+            // WARNING: Assumed that the table view has the same order as std::map
+            std::map<std::string, int>::const_iterator iter = reactions.begin();
+            for(int i = 0; i < rowToRemove; ++i)
+                iter++;
+            reactions.erase(iter);
+
+            record.setModified (faction);
+        }
+
+        virtual void setNestedTable(Record<ESXRecordT>& record, const NestedTableWrapperBase& nestedTable) const
+        {
+            record.get().mReactions =
+                static_cast<const NestedTableWrapper<std::map<std::string, int> >&>(nestedTable).mNestedTable;
+        }
+
+        virtual NestedTableWrapperBase* nestedTable(const Record<ESXRecordT>& record) const
+        {
+            // deleted by dtor of NestedTableStoring
+            return new NestedTableWrapper<std::map<std::string, int> >(record.get().mReactions);
+        }
+
+        virtual QVariant getNestedData(const Record<ESXRecordT>& record, int subRowIndex, int subColIndex) const
+        {
+            ESXRecordT faction = record.get();
+
+            std::map<std::string, int>& reactions = faction.mReactions;
+
+            if (subRowIndex < 0 || subRowIndex >= static_cast<int> (reactions.size()))
+                throw std::runtime_error ("index out of range");
+
+            // FIXME: how to ensure that the map entries correspond to table indicies?
+            // WARNING: Assumed that the table view has the same order as std::map
+            std::map<std::string, int>::const_iterator iter = reactions.begin();
+            for(int i = 0; i < subRowIndex; ++i)
+                iter++;
+            switch (subColIndex)
+            {
+                case 0: return QString((*iter).first.c_str());
+                case 1: return (*iter).second;
+                default: throw std::runtime_error("Faction reactions subcolumn index out of range");
+            }
+        }
+
+        virtual void setNestedData(Record<ESXRecordT>& record, const QVariant& value,
+                                    int subRowIndex, int subColIndex) const
+        {
+            ESXRecordT faction = record.get();
+
+            std::map<std::string, int>& reactions = faction.mReactions;
+
+            if (subRowIndex < 0 || subRowIndex >= static_cast<int> (reactions.size()))
+                throw std::runtime_error ("index out of range");
+
+            // FIXME: how to ensure that the map entries correspond to table indicies?
+            // WARNING: Assumed that the table view has the same order as std::map
+            std::map<std::string, int>::const_iterator iter = reactions.begin();
+            for(int i = 0; i < subRowIndex; ++i)
+                iter++;
+
+            std::string factionId = (*iter).first;
+            int reaction = (*iter).second;
+
+            switch (subColIndex)
+            {
+                case 0:
+                {
+                    reactions.erase(iter);
+                    reactions.insert(std::make_pair(value.toString().toUtf8().constData(), reaction));
+                    break;
+                }
+                case 1:
+                {
+                    reactions[factionId] = value.toInt();
+                    break;
+                }
+                default: throw std::runtime_error("Faction reactions subcolumn index out of range");
+            }
+
+            record.setModified (faction);
+        }
+
+        virtual int getNestedColumnsCount(const Record<ESXRecordT>& record) const
+        {
+            return 2;
+        }
+
+        virtual int getNestedRowsCount(const Record<ESXRecordT>& record) const
+        {
+            return static_cast<int>(record.get().mReactions.size());
+        }
+    };
+
     template<typename ESXRecordT>
     class RegionSoundListAdapter : public NestedIdAdapter<ESXRecordT>
     {
@@ -268,10 +398,10 @@ namespace CSMWorld
         {
             ESXRecordT region = record.get();
 
-            std::vector<ESXRecordT::SoundRef>& soundList = region.mSoundList;
+            std::vector<typename ESXRecordT::SoundRef>& soundList = region.mSoundList;
 
             // blank row
-            ESXRecordT::SoundRef soundRef;
+            typename ESXRecordT::SoundRef soundRef;
             soundRef.mSound.assign("");
             soundRef.mChance = 0;
 
@@ -284,7 +414,7 @@ namespace CSMWorld
         {
             ESXRecordT region = record.get();
 
-            std::vector<ESXRecordT::SoundRef>& soundList = region.mSoundList;
+            std::vector<typename ESXRecordT::SoundRef>& soundList = region.mSoundList;
 
             if (rowToRemove < 0 || rowToRemove >= static_cast<int> (soundList.size()))
                 throw std::runtime_error ("index out of range");
@@ -297,18 +427,25 @@ namespace CSMWorld
         virtual void setNestedTable(Record<ESXRecordT>& record, const NestedTableWrapperBase& nestedTable) const
         {
             record.get().mSoundList =
-                static_cast<const NestedTableWrapper<std::vector<ESM::Region::SoundRef> >&>(nestedTable).mNestedTable;
+                static_cast<const NestedTableWrapper<std::vector<typename ESXRecordT::SoundRef> >&>(nestedTable).mNestedTable;
         }
 
         virtual NestedTableWrapperBase* nestedTable(const Record<ESXRecordT>& record) const
         {
             // deleted by dtor of NestedTableStoring
-            return new NestedTableWrapper<std::vector<ESM::Region::SoundRef> >(record.get().mSoundList);
+            return new NestedTableWrapper<std::vector<typename ESXRecordT::SoundRef> >(record.get().mSoundList);
         }
 
         virtual QVariant getNestedData(const Record<ESXRecordT>& record, int subRowIndex, int subColIndex) const
         {
-            ESXRecordT::SoundRef soundRef = record.get().mSoundList[subRowIndex];
+            ESXRecordT region = record.get();
+
+            std::vector<typename ESXRecordT::SoundRef>& soundList = region.mSoundList;
+
+            if (subRowIndex < 0 || subRowIndex >= static_cast<int> (soundList.size()))
+                throw std::runtime_error ("index out of range");
+
+            typename ESXRecordT::SoundRef soundRef = soundList[subRowIndex];
             switch (subColIndex)
             {
                 case 0: return QString(soundRef.mSound.toString().c_str());
@@ -321,7 +458,13 @@ namespace CSMWorld
                                     int subRowIndex, int subColIndex) const
         {
             ESXRecordT region = record.get();
-            ESXRecordT::SoundRef soundRef = region.mSoundList[subRowIndex];
+
+            std::vector<typename ESXRecordT::SoundRef>& soundList = region.mSoundList;
+
+            if (subRowIndex < 0 || subRowIndex >= static_cast<int> (soundList.size()))
+                throw std::runtime_error ("index out of range");
+
+            typename ESXRecordT::SoundRef soundRef = soundList[subRowIndex];
             switch (subColIndex)
             {
                 case 0: soundRef.mSound.assign(value.toString().toUtf8().constData()); break;