Click to expand/collapse all notes Click to expand/collapse all other details

Male Earl of Cornwall Guillaume de Mortagne (William) Click to view Earl of Cornwall Guillaume de Mortagne in the family tree

Guillaume was born in 1064 in Mortagne, Artois, Pas-de-Calais, France.1   Guillaume's father was Robert de Mortaigne and his mother was Maud de Montgomery.  His paternal grandparents were Seigneur Harlevin de Conteville and Heleve Arlette de Falaise; his maternal grandparents were 1st Earl of Shrewsbury Roger De Montgomery II and Mabel de Balleme  Talvas. He had a brother and five sisters, named Richard, Emma, Agnes, Denise, Muriel and Sybilla.  He was the third youngest of the seven children.  He died at the age of 76 in 1140 in Cornwall, England.2 

Family Details of Guillaume's family with Isabel FitzRichard de Clare

1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I022117
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I014397&style=TABLE
Further source/citation:
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I012357

Page last modified