Ida Marie Butler
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- 1 Ida Marie Butler [1]
- Robert Drewry Williamson b. 27 Aug 1917 d. 26 Mar 1966
- 2 Robert Joseph Williamson [1.1]
- Judy Kay Davis
- 3 Eric Paul Williamson [1.1.1]
- 3 Eric Paul Williamson [1.1.1]
- 2 Teresa Claire Williamson [1.2]
- 2 Robert Joseph Williamson [1.1]