Miklós was the son of István Pósa de Szer and Klára Omori. The date and place of his birth have not been found.
His wife was NN Cibak. They were married, but the date and place have not been found. Their only known child was Gáborkó (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | krassói főispán (comes) | |||||
| Nobility Title | sztrecsényi ispán |