diff --git a/src/lib/Metadata/Finalizers/BaseMembersFinalizer.cpp b/src/lib/Metadata/Finalizers/BaseMembersFinalizer.cpp
index 40b944618..14e84f449 100644
--- a/src/lib/Metadata/Finalizers/BaseMembersFinalizer.cpp
+++ b/src/lib/Metadata/Finalizers/BaseMembersFinalizer.cpp
@@ -37,8 +37,8 @@ inheritBaseMembers(
         // members of the derived class and all protected members of the base
         // class are accessible as protected members of the derived class.
         // Private members of the base are never accessible unless friended.
-        inheritBaseMembers(derivedId, derived.Public, base.Public);
-        inheritBaseMembers(derivedId, derived.Protected, base.Protected);
+        inheritBaseMembers(derivedId, derived, AccessKind::Public, base.Public);
+        inheritBaseMembers(derivedId, derived, AccessKind::Protected, base.Protected);
     }
     else if (A == AccessKind::Protected)
     {
@@ -46,8 +46,8 @@ inheritBaseMembers(
         // base, all public and protected members of the base class are
         // accessible as protected members of the derived class (private members
         // of the base are never accessible unless friended).
-        inheritBaseMembers(derivedId, derived.Protected, base.Public);
-        inheritBaseMembers(derivedId, derived.Protected, base.Protected);
+        inheritBaseMembers(derivedId, derived, AccessKind::Protected, base.Public);
+        inheritBaseMembers(derivedId, derived, AccessKind::Protected, base.Protected);
     }
     else if (A == AccessKind::Private && corpus_.config->extractPrivate)
     {
@@ -55,8 +55,8 @@ inheritBaseMembers(
         // base, all public and protected members of the base class are
         // accessible as private members of the derived class (private members
         // of the base are never accessible unless friended).
-        inheritBaseMembers(derivedId, derived.Private, base.Public);
-        inheritBaseMembers(derivedId, derived.Private, base.Protected);
+        inheritBaseMembers(derivedId, derived, AccessKind::Private, base.Public);
+        inheritBaseMembers(derivedId, derived, AccessKind::Private, base.Protected);
     }
 }
 
@@ -64,19 +64,20 @@ void
 BaseMembersFinalizer::
 inheritBaseMembers(
     SymbolID const& derivedId,
-    RecordTranche& derived,
+    RecordInterface& derived,
+    AccessKind const A,
     RecordTranche const& base)
 {
-    inheritBaseMembers(derivedId, derived.NamespaceAliases, base.NamespaceAliases);
-    inheritBaseMembers(derivedId, derived.Typedefs, base.Typedefs);
-    inheritBaseMembers(derivedId, derived.Records, base.Records);
-    inheritBaseMembers(derivedId, derived.Enums, base.Enums);
-    inheritBaseMembers(derivedId, derived.Functions, base.Functions);
-    inheritBaseMembers(derivedId, derived.StaticFunctions, base.StaticFunctions);
-    inheritBaseMembers(derivedId, derived.Variables, base.Variables);
-    inheritBaseMembers(derivedId, derived.StaticVariables, base.StaticVariables);
-    inheritBaseMembers(derivedId, derived.Concepts, base.Concepts);
-    inheritBaseMembers(derivedId, derived.Guides, base.Guides);
+    inheritBaseMembers<&RecordTranche::NamespaceAliases>(derivedId, derived, A, base.NamespaceAliases);
+    inheritBaseMembers<&RecordTranche::Typedefs>(derivedId, derived, A, base.Typedefs);
+    inheritBaseMembers<&RecordTranche::Records>(derivedId, derived, A, base.Records);
+    inheritBaseMembers<&RecordTranche::Enums>(derivedId, derived, A, base.Enums);
+    inheritBaseMembers<&RecordTranche::Functions>(derivedId, derived, A, base.Functions);
+    inheritBaseMembers<&RecordTranche::StaticFunctions>(derivedId, derived, A, base.StaticFunctions);
+    inheritBaseMembers<&RecordTranche::Variables>(derivedId, derived, A, base.Variables);
+    inheritBaseMembers<&RecordTranche::StaticVariables>(derivedId, derived, A, base.StaticVariables);
+    inheritBaseMembers<&RecordTranche::Concepts>(derivedId, derived, A, base.Concepts);
+    inheritBaseMembers<&RecordTranche::Guides>(derivedId, derived, A, base.Guides);
 }
 
 namespace {
@@ -89,19 +90,65 @@ shouldCopy(Config const& config, Info const& M)
     }
     return config->inheritBaseMembers == PublicSettings::BaseMemberInheritance::CopyAll;
 }
+
+bool isShadowed(SymbolID const& otherID, std::vector<SymbolID> const& Usings, CorpusImpl& corpus_)
+{
+    for (SymbolID const& usingId: Usings)
+    {
+        Info* usingInfoPtr = corpus_.find(usingId);
+        MRDOCS_CHECK_OR_CONTINUE(usingInfoPtr);
+
+        UsingInfo const& using_ = usingInfoPtr->asUsing();
+        if (contains(using_.ShadowDeclarations, otherID))
+        {
+            return true;
+        }
+    }
+    return false;
 }
 
+RecordTranche& get(RecordInterface& derived, AccessKind const A)
+{
+    switch (A)
+    {
+    case AccessKind::Public: return derived.Public;
+    case AccessKind::Protected: return derived.Protected;
+    case AccessKind::Private: return derived.Private;
+    default: MRDOCS_UNREACHABLE();
+    }
+}
+}
+
+template <std::vector<SymbolID> RecordTranche::* Symbols>
 void
 BaseMembersFinalizer::
 inheritBaseMembers(
     SymbolID const& derivedId,
-    std::vector<SymbolID>& derived,
+    RecordInterface& derived,
+    AccessKind const A,
     std::vector<SymbolID> const& base)
 {
     for (SymbolID const& otherID: base)
     {
+        AccessKind effectiveA = A;
+        if (isShadowed(otherID, derived.Public.Usings, corpus_))
+        {
+            effectiveA = AccessKind::Public;
+        }
+        else if (isShadowed(otherID, derived.Protected.Usings, corpus_))
+        {
+            effectiveA = AccessKind::Protected;
+        }
+        else if (isShadowed(otherID, derived.Private.Usings, corpus_))
+        {
+            effectiveA = AccessKind::Private;
+        }
+
+        auto& tranche = get(derived, effectiveA);
+        auto& symbols = tranche.*Symbols;
+
         // Find the info from the base class
-        MRDOCS_CHECK_OR_CONTINUE(!contains(derived, otherID));
+        MRDOCS_CHECK_OR_CONTINUE(!contains(symbols, otherID));
         Info* otherInfoPtr = corpus_.find(otherID);
         MRDOCS_CHECK_OR_CONTINUE(otherInfoPtr);
         Info& otherInfo = *otherInfoPtr;
@@ -116,7 +163,7 @@ inheritBaseMembers(
 
         // Check if derived class has a member that shadows the base member
         auto shadowIt = std::ranges::find_if(
-            derived,
+            symbols,
             [&](SymbolID const& id)
             {
                 Info* infoPtr = corpus_.find(id);
@@ -135,7 +182,7 @@ inheritBaseMembers(
                 // are the same
                 return info.Name == otherInfo.Name;
             });
-        MRDOCS_CHECK_OR_CONTINUE(shadowIt == derived.end());
+        MRDOCS_CHECK_OR_CONTINUE(shadowIt == symbols.end());
 
         // Not a shadow, so inherit the base member
         if (!shouldCopy(corpus_.config, otherInfo))
@@ -148,7 +195,7 @@ inheritBaseMembers(
             // extraction mode to be regular, but that is controversial.
             if (otherInfo.Extraction != ExtractionMode::Dependency)
             {
-                derived.push_back(otherID);
+                symbols.push_back(otherID);
             }
         }
         else
@@ -163,7 +210,7 @@ inheritBaseMembers(
             otherCopy->id = SymbolID::createFromString(
                 std::format("{}-{}", toBase16Str(otherCopy->Parent),
                             toBase16Str(otherInfo.id)));
-            derived.push_back(otherCopy->id);
+            symbols.push_back(otherCopy->id);
             // Get the extraction mode from the derived class
             if (otherCopy->Extraction == ExtractionMode::Dependency)
             {
diff --git a/src/lib/Metadata/Finalizers/BaseMembersFinalizer.hpp b/src/lib/Metadata/Finalizers/BaseMembersFinalizer.hpp
index 1b6659352..7ba029dee 100644
--- a/src/lib/Metadata/Finalizers/BaseMembersFinalizer.hpp
+++ b/src/lib/Metadata/Finalizers/BaseMembersFinalizer.hpp
@@ -42,13 +42,16 @@ class BaseMembersFinalizer
     void
     inheritBaseMembers(
         SymbolID const& derivedId,
-        RecordTranche& derived,
+        RecordInterface& derived,
+        AccessKind const A,
         RecordTranche const& base);
 
+    template <std::vector<SymbolID> RecordTranche::* Symbols>
     void
     inheritBaseMembers(
         SymbolID const& derivedId,
-        std::vector<SymbolID>& derived,
+        RecordInterface& derived,
+        AccessKind const A,
         std::vector<SymbolID> const& base);
 
     void