Péter was the son of Imre Bogáthy de Bogáth and Margit Gerendi. The date and place of his birth have not been found.
He had two marriages/partners. His first wife was Erzsébet Bolgár de Tuzson. They were married, but the date and place have not been found. Their five known children were László (?-c1500), Borbála (?-?), Ilona (?-?), Dorottya (?-?) and Imre (?-?).
His second wife was Ágnes Kölcsei. They were married, but the date and place have not been found. They had no known children.
| Association | Relationship |
|---|---|
| NN Járai | mother? |