Martha Jane Yoakum 
F, (30 December 1832 - 1904)
- Relationship
- 6th great-granddaughter of Herman Op Den Graeff
Martha Jane Yoakum was born on 30 December 1832 at Sangamon County, Illinois. She was the daughter of William Yoakum and Sarah Simmons. Martha Jane Yoakum married, at age 20, Francis Marion Duncan, age 21 on Thursday, 30 December 1852 at Sangamon County, Illinois. Martha Jane Yoakum died in 1904 at age 71 years.
Children of Martha Jane Yoakum and Francis Marion Duncan
- Charles Duncan (Feb 1854 - )
- William Riley Duncan+ (c 1859 - 26 Sep 1903)
- James F. Duncan (1861 - 1916)
- Jenetta A. Duncan (1864 - )
- George H. Duncan (1866 - 1916)
- Louisa E. Duncan (Apr 1869 - 1901)
Last Edited=14 Oct 2008