Gerardus Franciscus Amadeus de Bie (1844-1920) was a Belgian abbot of Bornem Abbey (Common Observance).
He became the 74th Abbot-General of the Cistercian Order.
In 1862 he entered Bornem Abbey, and chose his convent name in honour of Amadeus of Lausanne.
He was elected and consecrated in 1895 by Cardinal Goossens, after the death of Robertus van Ommeren.
He served as abbot from 1895 to 1900.
In 1900 he was elected abbot general, supreme head of the order, in succession to Leopold Wackarž, and decided to take up residence in Rome in a rented apartment.
He was succeeded as abbot of Bornem by Thomas Schoen.
De Bie served as abbot general throughout the First World War.
Author: Unknown, work is public domain since man in photo died in 1920. Source: Archives of the Cistercian Abbot General, in Rome. License: CC-PD-Mark PD Old