Descent of

Constant Robert (15/06/1776-04/07/1860)		Marie de La Coste (23/11/1799-07/02/1859)
united on 07/12/1820 at Sebourg,

Mathilde Robert de Robersart (01/03/1834-07/12/1916)

Oscar Pycke de Peteghem (1823-1903)