Interactive tree of Robert Watson Blackett

Robert Watson Blackett 1852–1859

Frederick Blackett 1822–1906

Sarah Watson 1816–1865

Mary Johnson 1827–1903

Thomas Blackett 1790–

Emma Clarkson 1794–1844

Robert Watson 1779–1825

Ann Simpson 1781–1849

Robert Watson 1741–1807

Katharine or Catherine … 1738–1825

John Simpson –

Sarah … –