János was the son of Pető Gersei and Margit Hídvégi. The date and place of his birth have not been found.
He died in 1424. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their five known children were László (?-1455/56), Dénes (?-<1430), Pető (?-1454), Pogan (?-?) and Barkó (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1424 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | Zalai és vasi főispán (obergespan) |