Our Family History
The Genealogy of the Caauwe and Sommerfeld Families
Gilbert Blackburn and Margaret Praers Family
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 | Adam de Blackburn (1175-1239)
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 | Lady Mabel (1178- ) |
| Robert Praers (1192- ) |
| Gilbert Blackburn (1216-1243)
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| Margaret Praers (1220- )
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| Henry de Rishton (1242-1289)  |