Ulrich I, Herr von Sanneck (Ulrich I, Lord of Sanneck) was born circa 1222 to Conrad I, Herr von Sanneck (c1200-c1255) and Sophie of Pfannberg-Peggau (c1205-c1260) and died circa 1265 of unspecified causes. He married Anna von Sternberg (1238-1285) .
Children
| Name | Birth | Death | Joined with |
| Anna von Sanneck (c1265-c1318) | |||
| Ulrich II, Herr von Sanneck (c1255-1316) | 1255 | 1316 | Catherine of Heunburg (c1270-c1316) |
| Margaret von Sanneck (c1275-1344) | |||
Siblings
Residences
Footnotes (including sources)