diff --git a/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyException.cs b/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyException.cs
index db7a62f..dc4beeb 100644
--- a/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyException.cs
+++ b/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyException.cs
@@ -2,6 +2,7 @@
 // Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
 // ----------------------------------------------------------------------------------
 
+using System;
 using Microsoft.EntityFrameworkCore;
 
 namespace STX.EFxceptions.Abstractions.Models.Exceptions
@@ -9,5 +10,7 @@ namespace STX.EFxceptions.Abstractions.Models.Exceptions
     public class DuplicateKeyException : DbUpdateException
     {
         public DuplicateKeyException(string message) : base(message) { }
+
+        public DuplicateKeyException(string message, Exception innerException) : base(message, innerException) { }
     }
 }
diff --git a/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyWithUniqueIndexException.cs b/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyWithUniqueIndexException.cs
index fe875be..f95d93b 100644
--- a/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyWithUniqueIndexException.cs
+++ b/STX.EFxceptions.Abstractions/Models/Exceptions/DuplicateKeyWithUniqueIndexException.cs
@@ -2,6 +2,7 @@
 // Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
 // ----------------------------------------------------------------------------------
 
+using System;
 using Microsoft.EntityFrameworkCore;
 
 namespace STX.EFxceptions.Abstractions.Models.Exceptions
@@ -20,5 +21,16 @@ public DuplicateKeyWithUniqueIndexException(string message)
                 DuplicateKeyValue = subStrings[1];
             }
         }
+
+        public DuplicateKeyWithUniqueIndexException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+            string[] subStrings = message.Split('(', ')');
+
+            if (subStrings.Length == 3)
+            {
+                DuplicateKeyValue = subStrings[1];
+            }
+        }
     }
 }
diff --git a/STX.EFxceptions.Abstractions/Models/Exceptions/ForeignKeyConstraintConflictException.cs b/STX.EFxceptions.Abstractions/Models/Exceptions/ForeignKeyConstraintConflictException.cs
index cd56e0f..4ce6166 100644
--- a/STX.EFxceptions.Abstractions/Models/Exceptions/ForeignKeyConstraintConflictException.cs
+++ b/STX.EFxceptions.Abstractions/Models/Exceptions/ForeignKeyConstraintConflictException.cs
@@ -2,6 +2,7 @@
 // Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
 // ----------------------------------------------------------------------------------
 
+using System;
 using Microsoft.EntityFrameworkCore;
 
 namespace STX.EFxceptions.Abstractions.Models.Exceptions
@@ -9,5 +10,8 @@ namespace STX.EFxceptions.Abstractions.Models.Exceptions
     public class ForeignKeyConstraintConflictException : DbUpdateException
     {
         public ForeignKeyConstraintConflictException(string message) : base(message) { }
+
+        public ForeignKeyConstraintConflictException(string message, Exception innerException)
+            : base(message, innerException) { }
     }
 }
diff --git a/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidColumnNameException.cs b/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidColumnNameException.cs
index 4633c06..45ed525 100644
--- a/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidColumnNameException.cs
+++ b/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidColumnNameException.cs
@@ -2,6 +2,7 @@
 // Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
 // ----------------------------------------------------------------------------------
 
+using System;
 using Microsoft.EntityFrameworkCore;
 
 namespace STX.EFxceptions.Abstractions.Models.Exceptions
@@ -9,5 +10,6 @@ namespace STX.EFxceptions.Abstractions.Models.Exceptions
     public class InvalidColumnNameException : DbUpdateException
     {
         public InvalidColumnNameException(string message) : base(message) { }
+        public InvalidColumnNameException(string message, Exception innerException) : base(message, innerException) { }
     }
 }
diff --git a/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidObjectNameException.cs b/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidObjectNameException.cs
index b0a1dc0..d38ff74 100644
--- a/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidObjectNameException.cs
+++ b/STX.EFxceptions.Abstractions/Models/Exceptions/InvalidObjectNameException.cs
@@ -2,6 +2,7 @@
 // Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
 // ----------------------------------------------------------------------------------
 
+using System;
 using Microsoft.EntityFrameworkCore;
 
 namespace STX.EFxceptions.Abstractions.Models.Exceptions
@@ -9,5 +10,6 @@ namespace STX.EFxceptions.Abstractions.Models.Exceptions
     public class InvalidObjectNameException : DbUpdateException
     {
         public InvalidObjectNameException(string message) : base(message) { }
+        public InvalidObjectNameException(string message, Exception innerException) : base(message, innerException) { }
     }
 }