János was the son of István I Csáholyi but his mother is unknown. The date and place of his birth have not been found.
He had two marriages/partners. His first wife was Zsófia Debreceni. They were married, but the date and place have not been found. They had no known children.
His second wife was Ilona Jakcs de Kusaly. They were married, but the date and place have not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | Krasznai főispán |