1375–1379: Guy III of Roye 1380–1404: Leobald of Cousance 1404–1419: John VI of Saarbrücken 1419–1423: Louis I of Bar († 1430), administrator 1423–1423: Raymond 1423–1424: William of Montjoie 1424–1430: Louis I of Bar († 1430), administrator 1430–1437: Louis of Haraucourt 1437–1449: William Fillatre 1449–1456: Louis of Haraucourt 1457–1500: William of Haraucourt 1500–1508: Warry de Dommartin 1508–1522: Louis de Lorraine 1523–1544: Jean de Lorraine (1498–1550), brother of predecessor 1544–1547: Nicolas de Mercœur (1524–1577), nephew of predecessor 1548–1575: Nicolas Psaume. The Bishopric was annexed to France in 1552. This was not formally recognised in the Empire until the Peace of Westphalia in 1648. 1576–1584: Nicolas Bousmard 1585–1587: Charles de Lorraine 1588–1593: Nicolas Boucher 1593–1610: Eric of Lorraine 1593–1601: Christophe de la Vallée, administrator 1610–1622: Charles de Lorraine, nephew of predecessor Bishops and French fiefs 1623–1661: François de Lorraine (1599 † 1672), brother of predecessor 1667–1679: Armand de Monchy d'Hocquincourt 1681–1720: Hippolyte de Béthune 1721–1754: Charles-François D'Hallencourt 1754–1769: Aymar-Fr.-Chrétien-Mi. de Nicolai 1770–1793: Henri-Louis Rene Desnos Until 1801 Verdun was part of the ecclesiastical province of the Archbishop of Trier. On November 29, 1801 it was suppressed and added to the Diocese of Nancy. On October 6, 1822 the diocese was re-established. See also Roman Catholic Diocese of Verdun Verdun Cathedral Counts of Verdun External links Website of the diocese Historia brevis episcoporum Virdunensium Notes 990s establishments in the Holy Roman Empire 1552 disestablishments in the Holy Roman Empire States and territories established in the 990s Prince-bishoprics of the Holy Roman Empire Prince-bishoprics of the Holy Roman Empire in France 997 establishments Former monarchies of Europe de:Bistum Verdun fr:Diocèse de Verdun it:Diocesi di Verdun