Even Ou Eon Ou Jean De Lanmeur
Even Ou Eon Ou Jean was born in 1335.  He died at the age of 34 in 1369.

 Constance De Ponthou
Constance was born about 1340.  Constance is no longer alive.

 Margelie De Lanmeur
Margelie was born in 1360.  She died at the age of 32 in 1392.