Gilchrist, 3rd Earl of Mar, witness to foundation charter of St Peter's Hospital, Aberdeen, between 1182 and 1199; possibly married Orabilis, daughter of Nes (son of William of Leuchars); she was definitely wife of Robert de Quincy, by whom he had Saer de Quincy, Earl of Winchester; Gilchrist, 3rd Earl of Mar's successor was a younger son (but perhaps the eldest legitimate one) of Morg(r)und, 2nd Earl of Mar, by Agnes. [Burke's Peerage]