Kinship between St. Ferdinand III, King of Castile & León and Jeanne de Dammartin Countess de Ponthieu through Mathilde de Flandre
Numbersame asNameAncestor Evidence
Generation 1
[  1.02*   3]           St. Ferdinand III, King of Castile & León (~1201-1252)
[  2.01*   4]           Jeanne de Dammartin Countess de Ponthieu (~1220-1279)
Generation 2
[  3.01*   6]           Berengaria, Queen of Castile (~1180-1246)
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[  4.01    8]           Marie de Ponthieu (>1195-1250)
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Generation 3
[  6.01     ]           Eleanor of England (1162-1214)
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[  4.02*  14]           William Talvas William II, Count of Ponthieu (>1178-1221)
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[  8.01*  15]           Alix de France, Countess of Eu (1160-)
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Generation 4
[  6.02*  22]           Henry II, King of England (1133-1189)
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[ 14.01*  27]           Béatrix de Saint-Pol (e1162-)
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[ 15.01     ]           Alix de Champagne (~1140-1206)
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Generation 5
[ 22.01     ]           Matilda of England (1102-1167)
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[ 27.01     ]           Eustache de Champagne (e1146-~1164)
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[ 15.02*  54]           Theobald IV, Count of Blois and Champagne (~1090-1152)
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Generation 6
[ 22.02*  72]           Henry Beauclerc I, King of England (1068-1135)
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[ 27.02     ]           Eustace IV, Count of Boulogne (~1120-1153)
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[ 54.01*  94]           Adela of Normandy (~1062-1137)
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Generation 7
[ 72.01*    ]           Mathilde de Flandre (~1032-1083)
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[ 27.03* 143]           Stephen, King of England (1096-1154)
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[ 94.01*    ]  [7:72.01]Mathilde de Flandre (~1032-1083)
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Generation 8
[143.01*    ]  [6:54.01]Adela of Normandy (~1062-1137)
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