Jacoba Adriana Hollestelle, known as Conny Vandenbos, was born January 16, 1937, in The Hague, Netherlands, and became a Dutch singer. She began in the AVRO children’s choir and performed solo on KRO’s Springplank. Her breakthrough came after a performance at the 1961 Knokke‑Heist Song Festival, after which she signed with Phonogram Records. In 1965, she represented the Netherlands at Eurovision with " 't Is genoeg" and released the 1966 hit "Ik ben gelukkig zonder jou". In 1974, she switched from Phonogram to Basart Records, issuing singles like "Een roosje, m'n roosje" and the album Een vrouw van deze tijd. She received an Edison Music Award and a Gouden Harp in 1977 and died on April 7, 2002, in Amsterdam.