Question: Who is the child of the performer of song Ajax, Olé Olé Olé?
Answer: Willeke Alberti

He began recording professionally in the early 1940s. In 1944 he married Ria Kuiper and his daughter Willeke Alberti, later to become a successful Dutch vocalist herself, was born in 1945. After the war Alberti established himself in the Netherlands with Italian songs; he became increasingly popular in the 1950s, when he had a string of hits beginning with "Nel blu dipinto di blu" in 1958