__ | _William DE MOWBRAY _| | | | |__ | _Roger DE MOWBRAY ___| | | | | __ | | | | |_____________________| | | | |__ | | |--Roger DE MOWBRAY | | __ | | | _____________________| | | | | | |__ | | |_Maud DE BEAUCHAMP __| (.... - 1273) | | __ | | |_____________________| | |__