Nelo was one of the fifty Danaids (Daughters of Danaus) who took part in the mass marriage to the sons of King Aigyptos. Nelo married Menemachus. That night she along with fourty-eight of her fourty-nine sisters slew their husbands
King Danaus & An Ethiopian Wonan
"Agaptolemus got Pirene; Cercetes got Dorium; Eurydamas got Phartis; Aegius got Mnestra; Argius got Evippe; Archelaus got Anaxibia; Menemachus got Nelo. These seven sons were begotten on a Phoenician woman, and the maidens on an Ethiopian woman."