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Male Geoffrey I Duke of Britain Click to view Geoffrey I Duke of Britain in the family tree

Geoffrey I Duke of was born in 0980 in Bretagne,France.  Geoffrey I Duke of's father was Conan I Duke Of Bretagne and his mother was Ermangarde D' Anjou Duchess Of Bretagne.  His paternal grandparents were Juhel Berenger, Count of Rennes and Gerberga of Saxony Abbess of Notre Dame; his maternal grandparents were Geoffroy I "Grisegonnelle", Count of Anjou [Seneschal] and Adelaide De Vermandois. He had a sister named Judith de.  He died at the age of 28 on November 20th, 1008.


Geoffrey I Duke of's family with Havoise or Hawise de Normandy

‌Geoffrey I Duke of and Havoise or Hawise de were married in a religious ceremony in 0966 in <Of,Bretagne,France>.  They had four sons and a daughter, named Alain III, Eudes, Robert OF, William and Emma.

1 The Phillips, Weber, Kirk, & Staggs families of the Pacific Northwest
2 Ancestral Roots of Certain American Colonists, 7th Edition, by Frederick Lewis Weis, additions by Walter Lee Shippard Jr., 1999 @ 39-23

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