[1] Baltasar de los Reyes was born in Riaza, Spain, in 1606 and ordained a priest in the Order of Saint Jerome.
[1] On 30 January 1668, he was appointed during the papacy of Pope Clement IX as Bishop of Ourense.
[1] On 6 May 1668, he was consecrated bishop by Vitaliano Visconti, Titular Archbishop of Ephesus, with Egidio Colonna (patriarch), Titular Archbishop of Amasea, and Francisco de Rojas-Borja y Artés, Bishop of Ávila, serving as co-consecrators.
[1] On 30 January 1673, he was appointed during the papacy of Pope Clement X as Bishop of Coria.
[1] Don Diego Ros de Medrano succeeded him as the Bishop of Ourense on 29 May 1673.