[son of William de FERRERS 5th Earl of Derby [51-33, 69-32, 78-34, 98-34, 163-30, 218-33, 254-33, 322-34, 325-33, 353-31, 394-33, 432-31, 462-30, 484-32] and Margaret de QUINCY [51-33, 78-34, 163-30, 218-33, 254-33, 353-31, 462-30]] [See 254-32 above]