During a mutiny of the garrison in the city, he personally advanced the money to pay the troops.
[1] In 1652 he was named bishop of Arras, but as the city was under French occupation he was never installed.
In 1656 he was appointed to Saint-Omer instead, taking possession of the see by procuration on 20 September 1662 and being enthroned as bishop on 28 May 1663.
[1] He was only installed as archbishop on 4 April 1671, distributing the episcopal income that had accrued during the vacancy to the poor.
[1] He died on 22 September 1674, leaving his goods in trust to alleviate poverty in the city and to aid distressed bourgeois.