Robert Porteus Downman
b. 20 April 1774
- Father: William C. Downman b. 15 April 1746
- Robert Porteus Downman was born on 20 April 1774.
- He married Lucy Massenburg Mason circa 1807.
- Last Edited: 20 May 2007
Family: Lucy Massenburg Mason b. circa 1787
- Gustavus A. Downman+ b. circa 1820