Thaumas [SEP] father
Thaumas
In Greek mythology, Thaumas (; ; "gen"  Θαύμαντος) was a sea god, son of Pontus and Gaia, and the full brother of Nereus, Phorcys, Ceto and Eurybia.
Mythology.
According to Hesiod, Thaumas' wife was Electra, one of the Oceanids, the many daughters of the Titans Oceanus and Tethys, by whom he fathered Iris, the messenger of the gods, and the Harpies.
The names of Thaumas' Harpy daughters vary. Hesiod and Apollodorus name them
to his embrace with conjugal waves. He had the genuine Titan blood; for from the bed of primeval Thaumas his rosy arm consort Electra brought forth two children — from that bed came a river and a messenger of the heavenly ones, Iris quick as the wind and swiftly flowing Hydaspes, Iris travelling on foot and Hydaspes by water. Both had an equal speed on two contrasted paths: Iris among the immortals and Hydaspes among the rivers."" 
Family Plutarch's Account.
According to Plutarch, Hydaspes was the father