Barons of Longeüil Barons de Longeüil Records #4 Holders Family filter On/Off Ronald Charles Grant, 10th baron de Longueuil * 1888 Michael, baron of Longeüil * 1947 N, baron of Longeüil Raymond, baron of Longeüil * 1921 Corrections and Updates To suggest a correction or an update. Click Here