Walter de Percy [2nd son]; received a gift of land from his mother which he presented to Whitby Abbey; m. by 1153, as her 3rd husband, Avice Meschin, daughter of Cecily de Romelli (through whom Avice inherited Rougemont, W. Yorks) and widow of (a) William de Curcy and (b) William Paynel). [Burke's Peerage]