[1] In 1659 he represented his community at a meeting of the order in Géronsart, afterwards becoming a coadjutor involved in the negotiations for a union of monasteries under the authority of the abbot general of Sainte-Geneviève.
[1] After the death of Abbot Nicolas de Souhait on 8 February 1663, Neutre was elected as his successor.
One of his first actions as abbot was to have the aging monastic living quarters demolished and replaced with a new building.
As such, he was involved in negotiating disputes between the County of Hainaut and the Kingdom of France arising as a result of the War of Devolution.
He also litigated with the city of Mons and the Collegiate Church of St Waudru to enforce their respect for his order's privileges.