Gundakar was the son of unknown parents. The date and place of his birth have not been found.
He died after 1245. The place is not known.
His wife was Kunigunde von Plain-Hardegg. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1245 |
|
Note 1
Sohn Gundakars III von Steyr & Elisabeth von Haunsberg