Administration letter given to Belchior de Proença, Cavaleiro da Casa do Rei, allowing him to become the administrator of the chapel established by Pedro Barreto in the church of Santa Maria do Castelo of Estremoz. It is declared that Pedro Barreto had appointed Diogo Barreto, clérigo, to become the entail's first administrator, but since he had sold properties incorporated in it (a mill, houses and a vineyard), going against the institutor's will, he had lost the chapel's administration.