Isaac II Angelus Emperor
Isaac II Angelus was born in 1150.  He died at the age of 54 in 1204.

 Irene Comnenus
Irene was born in 1155.

 Irene Marie Angela of Byzantium
Irene Marie Angela of was born in 1172.  She died at the age of 36 on August 27th, 1208.