Ermina was born about 0880, the daughter of unknown parents. The place is not known.
Her husband was Hrollander Röngvaldsson de Heidmark. They were married, but the date and place have not been found. Their only known child was Rollo Thurstan Bigod (c0909-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 0880 |
|