Kinship between John I, Count of Ponthieu and Béatrix de Saint-Pol through William I, Count of Burgundy
NumberSame AsNameAncestor Evidence
Generation 1
[  1.02     ]           John I, Count of Ponthieu (e1142-1191)
[  2.01*   4]           Béatrix de Saint-Pol (e1161-)
Generation 2
[  1.03*   5]           Guy II, Count of Ponthieu (e1116-1147)
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[  4.01*   6]           Eustache de Champagne (e1146-)
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Generation 3
[  5.01*   8]           Ela of Burgundy (e1081-1141)
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[  6.01*  10]           Constance de France (~1128-)
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Generation 4
[  8.01     ]           Sibylle de Bourgogne (e1057-)
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[ 10.01*  18]           Adélaïde de Savoie (~1092-1154)
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Generation 5
[  8.02*    ]           William I, Count of Burgundy (e1024-1087)
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[ 18.01     ]           Gisele of Burgundy (~1075-1133)
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Generation 6
[ 18.02*    ]   [5:8.02]William I, Count of Burgundy (e1024-1087)
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