| Geoffrey I | |
| Duke of Vianden | |
| More: | no |
| Spouse: | Aleidis of Oudenaarde (1260- 1305) Lutgardis of Ligny |
| Father: | Filips I of Vianden |
| Mother: | Mary of Brabant-Perwez |
| Death Date: | 1310 |
Geoffrey I of Vianden 7th duke of Vianden 1273-1310 (-1310) was a son to duke Filips I of Vianden and Mary of Brabant-Perwez.
He succeeded to his father in 1273 in Vianden. Geoffrey married Aleidis of Oudenaarde (1260-1305) and Lutgardis van Ligny and fathered: