Guillaume I de Coucy
Sir Guillaume I de Coucy, Lord of Coucy, Oisy, La Fère, Marle and Montmirail was a French nobleman.Biography
Guillaume was the son of Enguerrand V de Coucy and Christine de Lindsay.He married secondly Isabelle, daughter of Guy IV de Chatillon and Marie de Bretagne, they are known to have had the following known issue.
- Enguerrand VI de Coucy, Lord of Coucy, Marle, La Fère, Oisy and Montmirail, married Katharine of Austria, had issue.
- William II de Coucy, Lord of Wyresdale, Lancashire and other lands in England, married Joan de Strother, died without issue.
- Jean de Coucy, Lord of Havrincourt, without issue.
- Raoul de Coucy, Lord of Montmirail, La Ferté-Gaucher, Encre and Bailleul, married Jeanne de Harcourt, had issue.
- Aubert de Coucy, Lord of Drosnay, Droizy and Romeny, married Jeanne de Villesavoir, had issue.
- Guy de Coucy, died without issue.
- Jeanne de Coucy, married Gaucher de Chatillon, Vicomte de Blaigny, had issue.
- Marguerite de Coucy
- Catherine de Coucy
- Marie de Coucy
- Isabelle de Coucy
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