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Male William (Sir) de ROS Click to view William (Sir) de ROS in the family tree

William (Sir) de was born about 1192 in Helmsley, Yorkshire, England.  William (Sir) de's father was Robert 'Furfan' de ROS and his mother was Isabel, Princess of SCOTLAND.  His paternal grandparents were Everhard de ROS and Rohese TRUSSEBUT; his maternal grandparents were William 'The Lion' of SCOTLAND and Miss AVENAL.  He was an only child.  He died about 1264 in Kirkham, England.


William (Sir) de's family with Lucia FITZPIERS

They had a son named Robert IV de.