They the following children:
1. Robert II. de Harcourt, Seigneur and Baron of Harcourt, etc., ancestor of the Dukes of Harcourt, peers of France and the Counts of Aumale, Counts of Tankerville, Visco...
Ben M. Angel notes:
Names and sources:
Adelais: The Medieval Lands Project authors (from the Foundation for Medieval Genealogy), Wikipedia, Bernhard Bachrach (author of "Fulk Nerra, the Neo-Roman C...