Jean De Lannoy
Jean De was born on April 27th, 1410.  He died at the age of 82 on March 18th, 1493.

 Jeanne Tyrel De Poix
Jeanne Tyrel De was born about 1415.  She died on June 25th, 1459.

 Jeanne De Lannoy
Jeanne De was born about 1435.  She died in 1475.