He also empowered them to confer (later within strict limitations) the degree of Doctor, with all university privileges, create notaries (later abrogated), legitimize children so as to make them eligible to receive benefices vacated by their fathers (now revoked), also to ennoble three persons and to make Knights of the Order of St. Sylvester (Militiae Aureae), the same to enjoy and to wear the insignia of nobility.
Dispensation, enabling a clerk to hold several ecclesiastical dignities or benefices at the same time, was transferred to the Archbishop of Canterbury by the Peterpence, Dispensations, &c.
Maunsell acquired additional benefices including: "the Provost of Beverly" in 1247, "the living of Howden," "Chancellorship of St. Paul's, London," "the living of Bawburgh," "Prebend of South Malling," "Living of Haughley," "Prebend of Tottenhall," "Prebend of Chinchester," "Dean of Wimborn," "Rector of Wigan," "Papal Chaplain," as well as "Chaplain of the King."
He subsequently was chaplain to the Earl of Bristol and Duke of Buckingham; held benefices in Sussex; was delinquent in debts for which he had to compound for his estate in 1646.
He held various church benefices, from 1518 as Abbot of Arbós, town located at the province of Tarragona, as a chaplain at Granada Cathedral, spending his final years in a Franciscan convent he had founded in Azpeitia.
He efforts went so far as to even negotiate with the Pope for the right to confer benefices on the singers himself.
The Presentation of Benefices Act 1713 (13 Ann c 13) was an Act of the Parliament of Great Britain.
However, during his long career he had been well rewarded with a number of church benefices and in 1328 being appointed Archdeacon of Richmond, Yorkshire.
He was also related to Giovanni II Visconti, and already held a few benefices such as the Provost of Brivio and as the Archpriest of the Metropolitan Church of Milan.
The Proposed Union Of City Benefices in “The Times” p 10: London, The Times Newspaper, 1861 (Wednesday, Nov 20, ; Issue 24095; col C)
He is said to have been at one time curate of Wakefield; he later became curate of Frickly-cum-Clayton and vicar of Hooton Pagnel, benefices near Doncaster, which he held until his death.