^ abcdeCarvalho, Jose dos Santos (1965). Iconografia e simbólica do Políptico de São Vicente de Fora [Iconography and symbolic of the polyptych of Sao Vicente de Fora] (in Portuguese). Lisboa: Published by the author. 47 — BISPO DE CEUTA D. FREI JOÃO MANUEL. OCLC12809235. Archived from the original on 2010-01-26. Retrieved 15 December 2011. Bishop of Ceuta D. Friar João Manuel: Natural son of King Duarte, Provincial of the Order of Caramel, graduated in Theology; [...] great preacher, glorious combatant in an attempt to take Tangier, two times ambassador to Pope Eugene IV; Ambassador to Hungary, born about 1406. Note: Future bishop of Guarda and chaplain-general of his brother King Afonso V.
^ abcdNunes, João (7 December 2011). "REIS E RAINHAS DE PORTUGAL" [KINGS AND QUEENS OF PORTUGAL] (in Portuguese). Retrieved 15 December 2011. D. John Manuel, was born on a date prior to 1420, and died in late 1476 and was buried in the Carmo Church in Lisbon. It was this religious order, where in 1441 he served as provincial and received the title of bishop of Tiberias. In the year 1443, when the vacancy of the bishopric of Ceuta, was provided this office, immediately after getting the title primate of Africa. In 1450 he was chaplain-general of D. Afonso V, and nine years later, Bishop of Guarda, the city where they never lived. He left two sons, D. John Manuel and D. Nuno Manuel, who had great authority at the end of the reign of King Afonso V and time of D. John II.