1. Matilda de BOULOGNE, son of Eustace III EARL (COUNT) OF BOLOINE ( -c. 1125) and Mary of Scotland ( - ), died in 1151. He married Stephen de Blois, Count of Mortain KING OF ENGLAND.

Stephen de Blois, Count of Mortain KING OF ENGLAND was the daughter of Stephen COUNT OF BLOIS ( - ) and Adela of England ( - ).