Keroessa

Keroessa (in Greek Κερόεσσα "the horned") was 
a heroine of the foundational myth of Byzantium. 
She was the daughter of Io and Zeus; elder sister 
of Epaphus; and mother of Byzas, founder of 
Byzantium, and Strombos with her uncle, Poseidon.
Category:Children of Zeus
Category:Demigods