Descent of

Henri de Posson de Wanfercée (20/03/1765-22/06/1836)		Albertine d'Onyn (11/11/1763-09/09/1852)
united on 22/10/1792 at Hévillers, 1435, Brabant-Wallon, Belgique,

Justine de Posson (07/06/1799-01/06/1884)

Gérard d'Udekem (21/03/1785-10/07/1866)