Family/Spouse: Samuel Sempill. Samuel (son of Sir Francis Sempill and Mary (of Seaforth) Mackenzie) was born in 1731 in Renfrew/Lochwinnoch, Scotland; died in 1795 in Pittsburgh, PA. [Group Sheet] [Family Chart]

1. William Semple was born on 11 Nov 1771 in Castle Dawson; died on 26 Mar 1829 in Pittsburgh.
2. John Semple was born in 1775 in Castledawson; and died.
3. Alexander Semple was born in 1777 in Castledawson; died on 19 Apr 1860 in Pittsburgh, PA..