Robert married Margaret Mullenax on 19 Mar 1840 in Pendleton Co., Va/Wv. Margaret (daughter of Abraham Mullenax and Mary Hannah Kile) was born on 26 Dec 1822 in Pendleton Co., Va/Wv; and died. [Group Sheet] [Family Chart]

1. Alexander Nelson was born in 1841; and died.
2. Jenetta Nelson was born in 1845; and died.
3. Joanna Nelson was born in 1846; and died.
4. Mary Ann Nelson was born in 1850; and died.
5. Lafayette Nelson was born in 1852; and died.
6. John W. Nelson was born in 1857; and died.
7. Eliakum Nelson was born in 1859; and died.
8. Hugh A. Nelson was born in 1865; and died.