He was born to Joseph Van der Hecht, a locksmith, and his wife Barbe Françoise, née Schneider.
He became a student at the Académie Royale des Beaux-Arts in 1827, and began receiving commissions while still very young.
It was then that he began working as an illustrator; becoming a major contributor to the fine arts journal, La Renaissance, which was discontinued in 1855.
[2] He gave his nephew, Henri Van der Hecht (1841-1901), his first art lessons.
[3] Media related to Guillaume Van der Hecht at Wikimedia Commons