he was one of the insurgent barons who defeated Henry III at the battle of Lewes, and took him and the prince prisoner, confining them in Farleigh Hungerford Castle. In 1264, de Ros was summoned to the parliament, which was called by the barons in the king's name. He died in 1285, and was buried at Kirkham Priory. Marriage and issue Robert de Ros married, about 1253, Isabel d'Aubigny (c.1233 – 15 June 1301), granddaughter (her father, William, died in 1247) and heiress of William d'Aubigny (died 1236) of Belvoir, Leicestershire, by his second wife, Isabel, by whom he had five sons and three daughters: William de Ros, 1st Baron de Ros. Sir Robert de Ros of Gedney, Lincolnshire, who married a wife named Erneburge. John de Ros. Nicholas de Ros, a cleric. Peter de Ros, a cleric. Isabel de Ros, who married Walter de Fauconberg, 2nd Baron Fauconberg. Joan de Ros, who married John Lovell, 1st Baron Lovell. Mary de Ros, who married William de Braose, 1st Baron Braose. Footnotes References 1285 deaths 13th-century English nobility Anglo-Normans Norman warriors People from Helmsley Year of birth uncertain English feudal barons De Ros family English people of Scottish descent