 Dewiq was born Cynthia Dewi Bayu Wardani in Ujung Pandang, South Sulawesi (now Makassar) on 15 June 1975.She was the youngest of two children born to Indonesian Bambang Yulianto and Dutchwoman Myrna Amy Nigell.She wrote her first song while in elementary school there, later learning to play the guitar and drums in junior and senior high school respectively.