Thomas de Multon, Sheriff of Lincolnshire 1206; sided with the barons against King John in 1215, was imprisoned in Corfu Castle 1215-1217; witness to Magna Charta 1215; Sheriff of Cumberland. In 1214 he paid 1,000 marks for custody or wardship and marriage of the two daughters of Richard de Lucy of Egremont, whom he married to his two sons and he himself married the widow. Thomas de Multon married 1st a daughter of Ricard Delfliet and had two sons, Lambert, who married Amabel de Lucy, and Alan, who married Alice de Lucy, changing his name to Lucy. Thomas de Multon married 2nd, without license in 1218, Ada, daughter and co-heiress of Hugh de Morville, widow of Richard de Lucy and mother of Alice and Amabel de Lucy, who married his sons, Lambert and Alan.