Isabel married Earl Guy De Beauchamp WARWICK, son of Earl William De Beauchamp WARWICK, II and Maud FITZ GEOFFREY, before 11 May 1297. (Earl Guy De Beauchamp WARWICK was born in 1272 in Castle, Elmley, Worcestershire, England, christened in 1301, died on 12 Aug 1315 in Warwick, Warwickshire, England and was buried in Abbey, Bordesley, Worcestershire, England.)