_________________________ | _____________________| | | | |_________________________ | _Robert of ROS ______| | | | | _________________________ | | | | |_____________________| | | | |_________________________ | | |--William of ROS | | _William of AUBENEY _____ | | | _William of AUBENEY _| | | | | | |_Margaret of UMFREVILLE _ | | |_Isabel of AUBENEY __| | | _________________________ | | |_Isabel LNU _________| | |_________________________