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Male WILLIAM de la PLAUNCHE Click to view WILLIAM de la PLAUNCHE in the family tree

WILLIAM de's father was WILLIAM I BARON de FIENNES and his mother was AGNES de DAMMARTIN.  His paternal grandparents were INGELRAM I BARON de FIENNES and SIBYL de TINGRY; his maternal grandparents were AUBREY (Alberic) II COUNT de DAMMARTIN and MATILDA (Maud) de PONTHIEU. He had a brother and two sisters, named INGELRAM II BARON, N.N. and Mahaut.


WILLIAM de's family with ELIZABETH HILLARY

They had a daughter named ELIZABETH de.

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