- Born date: n.a.
- Born in: n.a.
Ziaelas (lived c. 265 BC – 228 BC, reigned c. 254 BC – 228 BC), third king of Bithynia, was a son of Nicomedes I and Ditizele.After Nicomedes I died, his second wife Etazeta became ruler on behalf of her infant sons. The grown-up Ziaelas, excluded from the throne, had previously fled to Armenia and taken refuge at the court of King Arsames I in Sophene. On his father's death he immediately endeavoured to regain his rights by force, he returned, aided by some Galatians.Wikipedia