Sister of [a=Μαρία Δημητριάδη]. In order for her to be easily distinguished from her sister Μαρία, she asked poet/lyricist [a=Νίκος Γκάτσος] for a stage name. He came up with the name "Αφροδίτη Μάνου".
https://el.wikipedia.org/wiki/%CE%91%CF%86%CF%81%CE%BF%CE%B4%CE%AF%CF%84%CE%B7_%CE%9C%CE%AC%CE%BD%CE%BF%CF%85
https://www.facebook.com/AphroditeManouAfroditiManou
http://www.musicpaper.gr/topics/item/233-afroditi-manoy-mpompou