Interactive tree of Dr … Blackburn
–1876♂ Robert Blackburn
–♂ Dr … Blackburn
1808–1875♀ Catherine Pennington
1768–1850♂ John Pennington
1777–1853♀ Elizabeth Hargreaves
1744–1808♂ Richard Pennington
1748–1826♀ Margaret Leyland
–♂ Richard Pennington
–♀ Mary Dickson
1729–1776♂ John Leyland
1726–1822♀ Catherine Hart
1739–1796♂ John Hargreaves
–1808♀ Ann Hamer
–1766♂ James Hargreaves
1704–1745♀ Alice …
–♀ Mary …