István was the son of László Gyulaffy de Rátót and Katalin Pethő de Gerse. The date and place of his birth have not been found.
He had two marriages/partners. His first wife was Dorottya Rozgonyi. They were married, but the date and place have not been found. Their thirteen known children were László (?-?), Mihály (?-1571), János (?-?), Sára (?-?), Dorottya (?-?), Zsófia (?-?), Potenciána (?-?), Anna (?-?), Ferenc (?-?), György (?-?), Boldizsár (?-?), Zsigmond (?-?) and Katalin (?-?).
His second wife was Katalin Fánchy de Gordova. They were married, but the date and place have not been found. They had no known children.
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Pető Gersei |
János Pethő de Gerse |
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