Career
They had no children. After his death in 1191, Isabella was married to Robert de Ros, Baron Ros of Wark, (died 1227). They had the following children:
Sir William de Ros (b before 1200 – d ca 1264/1265), father of Robert de Ros, 1st Baron de Ros. and Sir William de Roos of Helmsley, Yorkshire (whose daughter, Ivette de Roos, married Sir Geoffrey le Scrope, Knight Bachelor of Masham, Yorkshire.
Sir Robert de Ros (ca 1223 – 13 May 1285), was Chief Justice of the Kings Bench.
The two were ancestors of Queen consort Catherine Parr. Sir Alexander de Ros (d ca 1306), who fathered one child, William, with an unknown wife.
Peter de Ros.
