Agnes was born in 1222, the daughter of unknown parents. The place is not known.
Her husband was Eberhard III von Nellenburg. They were married, but the date and place have not been found. Their only known child was Mangold II (<1253-<1295).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1222 |
|