Count Manasses of Dammartin

Count Manasses of was born in 0984.  Count Manasses of's father was Count Hilduin II of Rameru.  His paternal grandparents were Count Helpuin of Rameru and Princess Hersende of Arcis. He had a brother named Count Hildouin III of.  He was the younger of the two children.  He died at the age of 75 in 1059.