International Genealogical Index születési https://www.familysearch.org/ark:/61903/3:1:939J-XS9X-ZW?cc=1743180&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AVCC9-HMX
György's father was Pál Asbóth and his mother was Katalin Gasztonyi. He had a sister named Katalin. He was the older of the two children.