Peter II De Courtenay
Peter II was born in 1155.  He died at the age of 64 in June 1219.

 Yolande Of Flanders UNKNOWN
Yolande Of Flanders was born in 1175.  She died on August 28th.

 Iolande De Courtenay
Iolande was born in 1198.  She died at the age of 34 in 1232.