Nielsen Hayden genealogy
Family: John de Blackburne / Margaret de Holland (F1408)
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Male
John de Blackburne
Birth of Wiswell, Yorkshire, England 
Death Bef 1304 Burial Marriage Father Adam de Blackburne | F16854 Group Sheet Mother Alice | F16854 Group Sheet
Female
Margaret de Holland
Birth of Chorley, Lancashire, England Death Bef 1330 Burial Other Spouse Adam Banastre | F21057 Marriage Other Spouse Robert de Hepwell | F21088 Marriage Father Robert de Holand | F2656 Group Sheet Mother Elizabeth de Samlesbury | F2656 Group Sheet