He son Gilbert was the Vescy heir as he, Wm, was br. and h. of Gilbert who was s. and h. of William, s. and h. of Margery (wife of Gilbert Aton who d, 1235), da. and h. of Warin de Vescy (of Knapton), br. of Eustace, grandfather of William  the elder who was the father of the illegitimate Wm de Vescy or Kildare.