Ruth Opal Duncan

• Birth: 1912
• Death: 1955

1. Albert K. HALLIBURTON
2. Ray D. HALLIBURTON
3. Richard HALLIBURTON
4. Paul A. HALLIBURTON

                          _John Calhoun Duncan __
 _William Thomas Duncan _|
|                        |_Mary Hannah OLIPHANT _
|
|--Ruth Opal Duncan 
|
|                         _______________________
|_Mary Lora BROWN _______|
                         |_______________________