Isaac II Angelus Emperor of Byzantine Empire
Isaac II Angelus Emperor of Byzantine was born in 1155 in Constantinople, Turkey.  He died in Contstantinople, Turkey.

 Irene Comnenus
Irene was born about 1160 in Constantinople, Turkey.  She died in 1181.

 Irene Angelica , Princess Byzantine Empire
Irene was born in 1181 in Constantinople, Turkey.  She died at the age of 27 on August 27th, 1208 in Hohenstauffen, Bavaria.