 From 1472, the bishop of Coimbra held the comital title of Count of Arganil, being thus called Bishop-Count ().The first known bishop was Lucentius, who participated in the first council of Braga (563), the metropolitan See of Coimbra, until the latter was attached to the ecclesiastical province of Mérida (650-62).Titular bishops of Coimbra continued the succession under the Islamic conquest, one of whom witnessed the consecration of the church of Santiago de Compostela in 876.