Joseph Denis O'Sullivan de Terdeck
- Born in 1771 in Overijse
- Deceased in 1848, at the approximate age of 76 years
Parents
- Jacques Charles O'Sullivan de Terdeck, capitaine de Grenadiers au Régiment wallon de Los Rios
- Anne Caroline de Madrid, dame de Terdeck
Family
- Married in 1805, with Eugénie Charlotte Rosier (1786 - 1865), issuing
Eugénie (1817 - 1899)- Hippolyte
- Antoinette Charlotte