was buried in the Temple Church in London. Benefactions He was a supporter of the Knights Templar, giving them lands in Yorkshire that included Ribston, where they set up a commandery. At Bolton in Northumberland, he founded a leper hospital dedicated to St Thomas Becket, endowing it with extensive lands. He was also a benefactor of Rievaulx Abbey, Newminster Abbey and Kirkham Priory. Family Early in 1191, at Haddington near Edinburgh, he married Isabella, widow of Robert III de Brus and illegitimate daughter of William I "the Lion", King of Scotland. Her mother was said to be a daughter of Robert Avenel. Their children included: William (died about 1265), of Helmsley, whose wife was named Lucy, and their son was Robert (died 1285). Robert (died about 1270), of Wark, who married Christina, daughter of William Bertram, of Mitford, and their son Robert (died about 1274) was his heir. References Anglo-Normans Medieval English knights People from Holderness Magna Carta barons English Christian monks High Sheriffs of Cumberland Norman warriors 1170s births 1226 deaths 13th-century English nobility 13th-century Christian monks English feudal barons De Ros family