Gergely was the son of János Bethlen de Bethlen but his mother is unknown. The date and place of his birth have not been found.
He died before OCT 1397. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their two known children were János (?-<1397) and Lukács (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF OCT 1397 |
|