Soete was the daughter of Gottfried von Erprath but her mother is unknown. The date and place of her birth have not been found.
Her husband was Lodewiik III van Randerode, who she married in 1311. The place has not been found. Their only known child was Arnold II (c1336-1390).
| Association | Relationship |
|---|---|
| Jutta van Randerode | daughter |