_EVERHARD de ROS ____________________+
| (.... - 1183)
_ROBERT de ROS "FURFAN"_|
| (.... - 1226) m 1191 |
| |_ROESE TRUSSEBUT ____________________+
|
_WILLIAM de ROS SIR__|
| (.... - 1264) |
| | _ WILLIAM THE LION KING OF THE SCOTS_
| | |
| |_ISABEL ________________|
| m 1191 |
| |_ISABEL AVENAL ______________________+
|
|
|--ROBERT de ROS SIR
| (.... - 1285)
| _____________________________________
| |
| _PIERS FITZ HERBERT ____|
| | |
| | |_____________________________________
| |
|_LUCY FITZ PIERS ____|
(.... - 1266) |
| _____________________________________
| |
|________________________|
|
|_____________________________________