(Νικόστρατος), a son of Menelaus by the slave Pieris. (Paus. 3.18. 7, 19.9.) Accordinog to others (Apollod. 3.11.1), he was a son of Menelaus by Helena.
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890