Octave Joseph De Trazegnies
Octave Joseph De was born in 1637.  He died at the age of 59 in 1696.

 Marie Anne De Wissocq
Marie Anne De was born about 1650.

 Ferdinand Octave De Trazegnies
Ferdinand Octave De was born about 1680.  He died on May 6th, 1748.

 Philippe Ignace De Trazegnies
Philippe Ignace De was born on December 17th, 1685.  He died at the age of 53 on August 8th, 1739.