Interactive tree of ‪Robert Blackburn‬
–١٨٧٦♂ Robert Blackburn
–♂ Dr … Blackburn
١٨٠٨–١٨٧٥♀ Catherine Pennington
١٧٦٨–١٨٥٠♂ John Pennington
١٧٧٧–١٨٥٣♀ Elizabeth Hargreaves
١٧٤٤–١٨٠٨♂ Richard Pennington
١٧٤٨–١٨٢٦♀ Margaret Leyland
–♂ Richard Pennington
–♀ Mary Dickson
١٧٢٩–١٧٧٦♂ John Leyland
١٧٢٦–١٨٢٢♀ Catherine Hart
١٧٣٩–١٧٩٦♂ John Hargreaves
–١٨٠٨♀ Ann Hamer
–١٧٦٦♂ James Hargreaves
١٧٠٤–١٧٤٥♀ Alice …
–♀ Mary …