Gerard de Furnivall(e); m. Maud (died on or after 23 June 1247), daughter and heiress of William de Luvetot, feudal Lord of Worksop, Notts (died by 1181) by Maud (born c 1161), daughter of Walter fitz Robert, and died 1219, having had [Sir Thomas], with two younger sons (Gerard, living 1265, ancestor of the Furnivalls of Munden, Herts; William, of Rotherham, Yorks, m. Ada (living 1268), dsp by 1260). [Burke's Peerage]