_Robert of ROS ______ | _William of ROS _____| | | | |_Isabel of AUBENEY __+ | _William of ROS ________| | (1288 - 1342) | | | _____________________ | | | | |_Maude of VAUX ______| | | | |_____________________ | | |--Maud of ROS | | _____________________ | | | _____________________| | | | | | |_____________________ | | |_Margery of BADLESMERE _| | | _____________________ | | |_____________________| | |_____________________