Reinhoud was born in 1928 in Grammont, Belgium and the brother of sculptors Degga and nl:Roel D'Haese.

[2][3] He originally trained to become a goldsmith at the Royal Academy of Fine Arts but pursued sculpting instead.

[4] Reinhoud joined the Cobra group in 1949 after being introduced by Pierre Alechinsky.

[6] In 1959, Reinhoud moved to La Bosse, France, where he died on 24 June 2007.

[6] Reinhoud's work has been described as "grotesque" and evocative of Halloween, and in a style to that of Hieronymus Bosch and Brueghel.