Roger Darcy
1Burke's Peerage and Baronetage, p. 725 (1975) "SIR ROGER D'ARCY, of Oldcotes and Styrrup, Notts, m. Isabel, dau. of Sir William d'Aton pf West Ayton, Yorks, and d. before 12 May 1284, when he was s. by his son and heir, JOHN D'ARCY, . . .".