ISAAC II ANGELUS OF BYZANTIUM
ISAAC II ANGELUS OF was born in 1155.¹   He died at the age of 49 in February 1204 in Constantinople.¹ 

 Margareta of Hungary
Margareta of was born in 1175.²   She died at the age of 48 in 1223.² 

 Manuel Angelus
Manuel was born in 1192.  He died at the age of 20 in 1212.

 Ioannes Angelus