Ottavio was the son of unknown parents. The date and place of his birth have not been found.
His wife was Claude de Ligne-Arenberg, who he married on 25 FEB 1622. The place has not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | condé de Gamalerio |