| b 1126, Of, , Yorkshire, England | Adalbert De Gand | > | Ralph De Gand | Ermengarde De Flanders | > |
| Gilbert De Gaunt | b 1022 | |||
| | b 1048 | Gisele | |||
| Walter De Gaunt | d 1094 | b 1028 | ||
| |b 1092 | | | Hugh De Montfort, [Count] | ||
| |d 1139 | Alice De Montfort | b 1020 | ||
| | | b 1050 | |||
| Geoffrey De Gant | ||||
| | | | | Stephen Of Brittany, [Count] | ||
| | | |b 1065 | |||
| Matilda De Brittany | d 21 Apr 1135 | |||
| b 1092 | | | |||
| Hawise Mrs Of Brittany | ||||
| b 1064 | ||||