|Reference style||His Eminence|
|Spoken style||Your Eminence|
|See||Ancira (titular see)|
He was ordained to the priesthood on 21 December 1878. He served as a faculty member of the Roman College, from 1879-1891. He also served as an official at the Apostolic Penitentiary from December 1891. He was created Privy chamberlain supra numerum on 9 February 1897. He was raised to the level of Domestic prelate of His Holiness on 8 October 1903 and finally to the level of Protonotary apostolic on 5 November 1903. He was the undersecretary of the Congregation for Bishops from 3 June 1907 as well as his duties at the congregation he was an Auditor of the Roman Rota. He was appointed as the Secretary of the Congregation of the Council on 7 December 1911.
He was created and proclaimed Cardinal-Deacon of Santa Maria in Cosmedin by Pope Benedict XV in the consistory of 4 December 1916. He was appointed as Major Penitentiary on 12 March 1918. He participated in the conclave of 1922 that elected Pope Pius XI. He opted for the order of cardinal priests and his deaconry was elevated pro hac vice to title on 25 May 1923.
He was appointed titular archbishop of Ancira on 26 April 1924 and was consecrated the next day in the Sistine chapel by Pope Pius. He died in 1924 and is buried in the tomb of his family in the collegiate church, Valmontone.
|Catholic Church titles|
Willem Marinus van Rossum
|Major Penitentiary of Apostolic Penitentiary
12 March 1918–30 December 1924
Andreas Franz Frühwirth