ブリュッセル王立美術アカデミー
Dillens studied under Eugène Simonis at the Académie Royale des Beaux-Arts. In 1877 he received the Prix de Rome for "A Gaulish Chief taken Prisoner by the Romans". At Brussels, in 1881, he executed the groups entitled "Justice" and "Herkenbald, the Brussels Brutus".