Harlevin (Herlevin) was born about 1001 in Conteville, , , France. Harlevin (Herlevin)'s father is Jean De Conteville. He has a sister named Oda. He is the younger of the two children.
‌Harlevin (Herlevin) and Herleve were married in a religious ceremony about 1028. They had two sons and two daughters, named Odo, Robert De Mortaigne, Emma and Muriel.