János was the son of Péter Kemény de Magyargyerõmonostor and Klára Thoroczkay de Toroczkószentgyörgy. The date and place of his birth have not been found.
His wife was Krisztina Nádudvari. They were married, but the date and place have not been found. They had no known children.
| + | ||||||||
|
Anna Sarmasági de Sarmaság |
+ | |||||||
| + | ||||||||
| + | ||||||||
| + |