_ROBERT de ROS "FURFAN"____________+
| (.... - 1226) m 1191
_WILLIAM de ROS SIR________________|
| (.... - 1264) |
| |_ISABEL ___________________________+
| m 1191
_ROBERT de ROS SIR___|
| (.... - 1285) |
| | _PIERS FITZ HERBERT _______________
| | |
| |_LUCY FITZ PIERS __________________|
| (.... - 1266) |
| |___________________________________
|
|
|--MARY de ROS
| (.... - 1326)
| _WILLIAM D'AUBIGNY LORD OF BELVOIR_+
| | (1146 - 1236)
| _WILLIAM D'AUBIGNY LORD OF BELVOIR_|
| | (.... - 1242) |
| | |_MARGERY de UMFREVILLE ____________+
| |
|_ISABEL D'AUBIGNY ___|
(.... - 1301) |
| ___________________________________
| |
|_ISABEL ___________________________|
(.... - 1285) |
|___________________________________