Adelheid was the daughter of unknown parents. The date and place of her birth have not been found.
She died after 1278. The place is not known.
Her husband was Otto von Horstmar. They were married, but the date and place have not been found. Their only known child was sir Bernhard I (?->1307).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1278 |
|