Family:Peter I, Duke of Brittany and Alix, Duchess of Brittany (1)

Parents: Robert Dreux and Yolande De Coucy Peter I Duke of Brittany b. Abt 1174 France d. 22 Jun 1250	Parents: Gui Thouars and Constance Britta Alix de Thouars b. 5 Sep 1201 d. 21 Oct 1221

m. 1212

Family tree▼

Facts and Events

Marriage`^?`	1212
Alt Marriage`^?`	May 1213

Children

		Birth	Death
1.	John I _____, Duke of Brittany	1217 Bretagne, France	8 Oct 1286 Chateau De Isle, France
2.	Yolande de Dreux, Countess of Penthièvre and of Porhoet	1218	10 Oct 1272
3.	Olivier _____, Seigneur de Marchecoul I	1231	18 Dec 1279

Questionable information identified by WeRelate automation

To fix:	Olivier Unknown (3)	Born after mother died
To check:		Wife younger than 12 at marriage