b.1180 Dammartin, France
d.1239 Abbeville, France
b.1216 Dammartin, France
d.1278 Abbéville, France
b.1199 Aumale, France
d.1251 Abbeville, France
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| | Simon of Dammartin b.1180 Dammartin, France d.1239 Abbeville, France | | | | | |
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| Jeanne of Dammartin b.1216 Dammartin, France d.1278 Abbéville, France | | | | | | |
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| | Marie of Ponthieu b.1199 Aumale, France d.1251 Abbeville, France | | | | | |
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