__
|
_ROBERT _____________|
| (1045 - ....) |
| |__
|
_GILBERT FITZROBERT MARSHALL_|
| (1075 - 1130) |
| | __
| | |
| |_____________________|
| |
| |__
|
|
|--JOHN FITZGILBERT MARSHALL
| (1105 - ....)
| __
| |
| _____________________|
| | |
| | |__
| |
|_DE VENUZ ___________________|
(1105 - ....) |
| __
| |
|_____________________|
|
|__