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diff --git a/MdePkg/Include/Protocol/DriverFamilyOverride.h b/MdePkg/Include/Protocol/DriverFamilyOverride.h
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+++ b/MdePkg/Include/Protocol/DriverFamilyOverride.h
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+/** @file
+  EFI Driver Family Protocol
+
+  Copyright (c) 2007, Intel Corporation                                                         
+  All rights reserved. This program and the accompanying materials                          
+  are licensed and made available under the terms and conditions of the BSD License         
+  which accompanies this distribution.  The full text of the license may be found at        
+  http://opensource.org/licenses/bsd-license.php                                            
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+**/
+
+#ifndef __EFI_DRIVER_FAMILY_OVERRIDE_H__
+#define __EFI_DRIVER_FAMILY_OVERRIDE_H__
+
+#define EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL_GUID \
+  { \
+    0xb1ee129e, 0xda36, 0x4181, { 0x91, 0xf8, 0x4, 0xa4, 0x92, 0x37, 0x66, 0xa7 } \
+  }
+  
+typedef struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL  EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL;
+
+//
+// Prototypes for the Driver Family Override Protocol
+//
+// 
+/**                                                                 
+  This function returns the version value associated with the driver specified by This.
+
+  Retrieves the version of the driver that is used by the EFI Boot Service ConnectController()
+  to sort the set of Driver Binding Protocols in order from highest priority to lowest priority.
+  For drivers that support the Driver Family Override Protocol, those drivers are sorted so that
+  the drivers with higher values returned by GetVersion() are high priority that drivers that
+  return lower values from GetVersion().
+
+  @param  This                  A pointer to the EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL instance.                            
+                                
+  @return The version value associated with the driver specified by This.                                  
+                                   
+**/
+typedef
+UINT32
+(EFIAPI *EFI_DRIVER_FAMILY_OVERRIDE_GET_VERSION) (
+  IN EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL    *This
+  );
+
+/**
+  When installed, the Driver Family Override Protocol produces a GUID that represets 
+  a family of drivers.  Drivers with the same GUID are members of the same family 
+  When drivers are connected to controllers, drivers with a higher revision value 
+  in the same driver family are connected with a higher priority than drivers 
+  with a lower revision value in the same driver family.  The EFI Boot Service
+  Connect Controller uses five rules to build a prioritied list of drivers when 
+  a request is made to connect a driver to a controller.  The Driver Family Protocol
+  rule is between the Platform Specific Driver Override Protocol and above the 
+  Bus Specific Driver Override Protocol  
+
+  @param FamilyGuid    A pointer to the GUID that represnets the family of drivers
+                       that the driver producing this protocol is a member.
+
+**/
+struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL {
+  EFI_DRIVER_FAMILY_OVERRIDE_GET_VERSION GetVersion;
+};
+
+extern EFI_GUID gEfiDriverFamilyOverrideProtocolGuid;
+
+#endif