__ | ______________________| | | | |__ | _Simon of DAMMARTIN _| | | | | __ | | | | |______________________| | | | |__ | | |--Jeanne of DAMMARTIN | (1220 - 1278) | __ | | | _William DE PONTHIEU _| | | | | | |__ | | |_Maria DE PONTHIEU __| | | __ | | |______________________| | |__