He had three daughters, Euboea, Prosymna, and Acraea, who were the nurses of Hera.
[1] Asterion was one of the three river-gods (the other two being Inachus and Cephisus) who awarded the territory of Argolis to Hera over Poseidon.
Poseidon, in anger, made the waters of all three rivers disappear so that they don't flow unless it rains, and are dry in summer.
[2] The River Asterion in Argos[3] is mentioned in the Dionysiaca (47.493) of Nonnus, who couples the reference with a rite in which young men dedicate locks of their hair.
[4] Of this herb, found near the Heraion of the Argolid, Pausanias noted "On its banks grows a plant, which also is called asterion.