The Diocese and Prince-bishopric of Schwerin was a Catholic diocese in Schwerin, Mecklenburg, in Germany. The first registered bishop was ordained in the diocese in 1053, and the diocese ceased to exist in 1994. Pre-Reformation Catholic (prince-)bishopric The bishops of the Roman Catholic diocese of Schwerin (), a suffragan of the Metropolitan Archdiocese of Bremen, were simultaneously secular (political) rulers of princely rank (prince-bishop) in the Prince-Bishopric of Schwerin (); established 1180 and secularised in 1648), an imperially immediate state of the Holy Roman Empire. Schwerin was the seat of the chapter, Schwerin Cathedral and residence of the bishops until 1239. In 1180 a prince-episcopal residence was established in Bützow, which became the main residence in 1239. Titulature of the Schwerin bishops Not all incumbents of the Schwerin see were imperially invested with princely temporal power as Prince-Bishops and not all were papally confirmed as bishops. In 1180 part of the Schwerin diocesan territory was disentangled from the Duchy of Saxony and became an own territory of imperial immediacy called Prince-Bishopric of Schwerin, an imperially immediate feudal member state of the Holy Roman Empire like many prince-prelatures. The prince-bishopric was an elective monarchy, with the ruling prince being the respective bishop usually elected by the Cathedral chapter, and confirmed by the Holy See, or exceptionally only appointed by the Holy See. Papally confirmed bishops were then invested by the emperor with the princely regalia, thus the title prince-bishop. However, sometimes the respective incumbent of the see never gained a papal confirmation, but was still invested the princely regalia. Also the opposite occurred with a papally confirmed bishop, never invested as prince. A number of incumbents, elected by the chapter, neither achieved papal confirmation nor imperial investiture, but as a matter of fact nevertheless de facto held the princely power. From 1532 to 1648 all incumbents were Lutherans. The respective incumbents of the see bore the following titles: Bishop of Mecklenburg until 1162 Bishop of Schwerin 1162 to 1181 Prince-Bishop of Schwerin from 1181 to 1516, except o the years of 1474 to 1479 and 1506 to 1508 Administrator of the Prince-Bishopric of Schwerin 1474 to 1479, 1506 to 1508, and again 1516 to 1648. Either simply de facto replacing the Prince-Bishop or lacking canon-law prerequisites the incumbent of the see would officially only hold the title administrator (but nevertheless colloquially referred to as Prince-Bishop). Catholic bishops of Mecklenburg and Schwerin