| Male Countflanders Robert I "The Frisian" |
| Birth | Abt 1035 | |
| Death | 3 Oct 1093 | |
| Burial | ||
| Marriage | ||
| Father | Baldwin V De Lille Count Of Flanders | F3584 Group Sheet | |
| Mother | Adela Of France | F3584 Group Sheet | |
| Female Gertrude Of Saxony |
| Birth | 1028 | |
| Death | 1113 | |
| Burial | ||
| Other Spouse | Floris I Count Of Holland | F3387 | |
| Marriage | ||
| Father | Bernard II Billung Duke Of Saxony | F3785 Group Sheet | |
| Mother | Elica Of Schweinfurt | F3785 Group Sheet | |
| Female Gertrude Of Flanders |
| Birth | Abt 1070 | |
| Death | 1117 | |
| Burial | ||
| Spouse | Thierry II Duke Of Alsace And Lorraine | F3390 | |
| Marriage | ||