Balthazar Guillaume d'Ongnies
- Born in 1599
- Deceased in 1652, at the approximate age of 52 years
Parents
- Claude d'Ongnies ( - 1640), comte de Coupigny
- Anne de Croÿ, dame de Pamele
Family
- Married on March 15, 1640, with Agnès Bernardine de Montmorency, issuing
- Cosme Claude ( - 1709)