Individual Details
Gertrude de Flandre
( - )
Events
| Death |
Families
| Father | Thierry 3rd (Theodoric 3rd) "Thierry of Alsace" de Flandre 15th Count de Flandre (1099 - 1168) |
| Mother | Sybilla d'Anjou ( - ) |
| Sibling | Mathieu d'Alsace (1136 - 1172) |
| Sibling | Philippe d'Alsace ( - 1191) |
| Sibling | Baudoin de Flandre ( - ) |
| Sibling | Pierre de Flandre ( - ) |
| Sibling | Mahaud d'Alsace ( - ) |
| Sibling | Margaret 1st d'Alsace Countess of Flanders suo jure ( - ) |