Kinship between Sir John fitz Geoffrey, Lord of Hallamshire and Isabel Bigod through Adelisa de Clermont
Numbersame asNameAncestor Evidence
Generation 1
[  1.02*   3]           Sir John fitz Geoffrey, Lord of Hallamshire (e1207-1258)
[  2.01*   4]           Isabel Bigod (e1213-)
Generation 2
[  3.01     ]           Aveline de Clare, Countess of Essex (e1170-~1225)
research
[  4.01*   8]           Matilda Marshal (e1190-1248)
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Generation 3
[  3.02     ]           Roger de Clare, 3rd Earl of Hertford (e1135-1173)
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[  8.01     ]           Isabel de Clare Countess of England (~1172-1220)
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Generation 4
[  3.03*  14]           Richard fitz Gilbert II, 1st Earl of Hertford (e1098-1136)
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[  8.02     ]           Richard Strongbow de Clare, 2nd Earl of Pembroke (~1130-1176)
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Generation 5
[ 14.01*    ]           Adelisa de Clermont (~1080-)
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[  8.03*  28]           Gilbert Strongbow fitz Gilbert de Clare, Earl of Pembroke (~1100-~1149)
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Generation 6
[ 28.01*    ]  [5:14.01]Adelisa de Clermont (~1080-)
research