| Male Count of Flanders Robert, I |
| Birth | 1033 | , , Flanders, Belgium |
| Death | 3 Oct 1093 | |
| Burial | ||
| Marriage | 1063 | |
| Father | Count of Flanders Baldwin, V | F941 Group Sheet | |
| Mother | Princess of France Adela Capet | F941 Group Sheet | |
| Female Gertrude Billung |
| Birth | ||
| Death | 4 Aug 1113 | |
| Burial | ||
| Other Spouse | Count of Holland Floris, I | F1729 | |
| Marriage | 1050 | |
| Father | Duke of Saxony Bernhard Billung, II | F1630 Group Sheet | |
| Mother | Elika Von Schweinfurt | F1630 Group Sheet | |
| Female + Gertrude, of Flanders |
| Birth | ||
| Death | 1117 | |
| Burial | ||
| Spouse | Duke of Lorraine Thierry, II | F1627 | |
| Marriage | ||