Charles d'Angennes de Rambouillet (October 31, 1530 – March 23, 1587)[1] was a French Roman Catholic bishop and cardinal.
[1] As a young man, he spent a long period of time at the court of the King of France, and was sent abroad on several embassies.
[2] Charles IX of France named him ambassador to Pope Pius V.[2] He participated in the Council of Trent from 13 November 1562 until its closing.
He received the red hat and the titular church of San Simeone Profeta on 9 June 1570.
[2] A nineteenth century account of his life reports that "it was suspected that he was poisoned by his domestics, to whom he had left the greater part of his property by his will, but the matter was never cleared up".