Walter VI Berthold De Mechelen
Walter VI Berthold was born in 1195.  He died at the age of 48 on April 10th, 1243.

 Adeline D'enghien
Adeline was born in 1205.

 Walter VII Berthold De Mechelen
Walter VII Berthold was born in 1225.  He died at the age of 61 in 1286.