That same year he blessed the marriage between Duke Louis of Orléans and Princess Auguste of Baden-Baden.[1].

He resigned the Bishopric of Châlons on 17 December 1733 and was promoted the next day to Archbishop of Rouen.[1].

In 1748, Louis XV named him Commander of the Order of the Holy Spirit and Grand Almoner of France.

[2] He was created Cardinal-priest during the consistory of 5 April 1756 held by Pope Benedict XIV.

[1] He died on 10 March 1759 in Paris and is buried in the Saint-Sulpice church without having a funeral memorial.