Though Helena claims Irina as her daughter , it was never stated that she was fathered by Mikkos .
Mikkos and Helena are also believed to have another child , Irina Cassadine , who is shot to death by Helena in early 2012 .
Though Helena claims Irina Cassadine as Helena 's daughter , it was never stated that she was fathered by Mikkos .
Mikkos and Helena are also believed to have another child , Irina Cassadine , who is shot to death by Helena in early 2012 .