This is a list of states in the Holy Roman Empire beginning with the letter R. Some historians mark the beginning of the Empire as 800, with the coronation of Frankish king Charlemagne ("Charles the Great").
Name Type Imperial circle Imperial diet History Rabenswalde-Wiehe County n/a n/a 1227: Partitioned from Käfernburg1255: Acquired Bucha1312: Extinct; to Weimar-Orlamünde-Weimar Rantzau (Ranzau; Rantzow) County Low Sax WE 1649: Christian Rantzau purchased part of Pinneberg from Holstein-Gottorp1650: Lower Saxon Circle1726: To Denmark Rapperswil (Rapperschwyl) Lordship1233: County n/a n/a 1099: First mentioned; branch of the Counts of Wandelburg1233: HRE Count1283: Extinct in male line; most seized by Austria1309: Remaining territory to Habsburg-Laufenburg by marriage1352: City of Rapperswil to Austria (see below)1353: Divided between Habsburg-Laufenburg-Neu-Rapperswil and Habsburg-Laufenburg-Alt-Rapperswil Rapperswil (Rapperschwyl) Imperial City n/a n/a 1229: City founded by Rapperswil1309: To Habsburg-Laufenburg1352: To Austria1415: Free Imperial City1442: To Austria1464: Protectorate of the Swiss Confederation1648: Left the Empire as part of Switzerland Rappoltstein Lordship1651: County SW 942: First mentioned1082: Made fief of the Bishopric of Worms1157: Extinct in male line; to Urslingen by marriage1219: Urslingen assumed the name Rappoltstein1227: Sold Kaysersberg to the Emperor12??: Imperial immediacy1293: Partitioned into Rappoltstein-Hohenack, Rappoltstein-Groß-Rappoltstein and Rappoltstein-Hohen-Rappoltstein1436: Reunited by Rappoltstein-Hohen-Rappoltstein1437: Acquired Hohenack1651: HRE Count1673: Extinct; to Palatinate-Zweibrücken-Birkenfeld-Bischweiler Rappoltstein-Groß-Rappoltstein Lordship n/a n/a 1293: Partitioned from Rappoltstein1338: Acquired Hohen-Rappoltstein1351: Acquired Hohenack1368: Partitioned into itself and Rappoltstein-Hohen-Rappoltstein1377: Extinct in male line1400: Extinct; to Lupfen Rappoltstein-Hohenack Lordship n/a n/a 1293: Partitioned from Rappoltstein1351: Extinct; to Rappoltstein-Groß-Rappoltstein Rappoltstein-Hohen-Rappoltstein Lordship n/a n/a 1293: Partitioned from Rappoltstein1338: To Rappoltstein-Groß-Rappoltstein1341: Extinct1368: Partitioned from Rappolstein-Groß-Rappoltstein1419: Acquired Groß-Rappoltstein1436: Renamed to Rappoltstein Ratzeburg Prince-Bishopric Low Sax EC 1050: Diocese established1066: See destroyed in uprising1154: Reestablished1236: HRE Prince of the Empire; Imperial immediacy1648: Secularised as Principality for Mecklenburg-Schwerin Ratzeburg Principality Low Sax PR 1648: Ratzeburg secularised and given to Mecklenburg-Schwerin1701: To Mecklenburg-Strelitz Ravensberg 1180: County Low Rhen n/a 1170: Renamed from Calvelage; fief of Saxony1180: Imperial immediacy1226: Partitioned into Vechta and itself1252: Vechta sold to Münster1346: Extinct; to Berg1437: To Jülich-Berg1521: To Jülich-Cleves-Berg1614: To Brandenburg1807: To Westphalia1814: To Prussia Ravensburg Imperial City Swab SW 1088: First mentioned; seat of the Welfs1191: To Hohenstaufen1268: To the Empire directly1276: Free Imperial City1803: To Bavaria1810: To Württemberg Ravenstein Barony n/a n/a 1150: To Cuijk 1170: To Herpen; later superseded by Ravenstein and the local barons assumed the name Ravenstein1324: Extinct in male line; to Valkenburg by marriage1396: To Salm1397: To Cleves-Marck1450: To Cleves-Ravenstein1528: To Jülich-Cleves-Berg1609: To the Netherlands1621: To Brandenburg1630: To Palatinate-Zweibrücken-Neuburg1695: To the Palatinate1794: To France1800: To the Batavian Republic1806: To Holland1810: To France1815: To the Netherlands Rechberg county n/a 1179: First mentioned13th Century: Partitioned into Rechberg auf den Bergen and Rechberg unter den Bergen Rechberg auf den Bergen Lordship n/a n/a 13th Century: Partitioned from Rechberg 1327: Partitioned into Rechberg-Staufeneck and Rechberg-Hohenrechberg Rechberg-Babenhausen Lordship n/a n/a 1432: Partitioned from Rechberg-Staufeneck1439: Acquired Mindelheim14??: 1467: Mindelheim sold to Frundsberg1507: Extinct; to Rechberg-Brandenburg Rechberg-Brandenburg Lordship n/a n/a 1460: Partitioned from Rechberg-Illereichen1481: Acquired Brandenburg an der Iller1507: Acquired Babenhausen1537: Extinct; to Rechberg-Kellmünz Rechberg-Donzdorf Lordship1601: Barony1699: County n/a n/a 1574: Partitioned from Rechberg-Illereichen1601: HRE Baron1605: Partitioned into itself and Rechberg-Hohenrechberg and Aichen1682: Acquired Ramsberg1699: HRE Count1732: Extinct; to Rechberg-Osterberg Rechberg-Gammertingen Lordship n/a n/a 1437: Partitioned from Rechberg-Hohenrechberg1449: Formed Lordship of Schramberg1459: Henry acquired Schwarzenberg; formed line Rechberg-Schwarzenberg1526: Sold Lordship of Schramberg to Landenberg 1570: Extinct Rechberg-Heuchlingen Lordship n/a n/a 1540: Partitioned from Rechberg-Hohenrechberg1573: Inherited Rechberg-Hohenrechberg and assumed that name Rechberg-Hohenrechberg Lordship n/a n/a 1327: Partitioned from Rechberg auf den Bergen1374: Acquired Rechberghausen1437: Partitioned into Rechberg-Weißenstein, itself and Rechberg-Gammertingen1540: Partitioned into itself and Rechberg-Heuchlingen1573: Inherited by Rechberg-Heuchlingen1585: Extinct; to Rechberg-Staufeneck Rechberg-Hohenrechberg and Aichen Barony1626: County n/a n/a 1605: Partitioned from Rechberg-Donzdorf1626: HRE Count1676: Extinct in male line1677: To Limburg-Styrum-Illereichen by marriage Rechberg-Illereichen Lordship1601: Barony n/a n/a 1351: Partitioned from Rechberg-Staufeneck1430: Partitioned into itself and Rechberg-Scharfenberg1460: Partitioned into itself, Rechberg-Kronburg and Rechberg-Brandenburg1568: Acquired Donzdorf1574: Partitioned into itself, Rechberg-Rechberghausen and Rechberg-Donzdorf1601: HRE Baron1619: Extinct; to Rechberg-Hohenrechberg and Aichen Rechberg-Kellmünz Lordship n/a n/a 1506: Partitioned from Rechberg-Kronburg1539: Sold Babenhausen to Fugger1573: To Rechberg-Kronberg1578: Extinct Rechberg-Kronburg Lordship1577: Barony n/a n/a 1460: Partitioned from Rechberg-Illereichen1506: Partitioned into itself and Rechberg-Kellmünz1540: Partitioned into itself, Rechberg-Türkheim-Schwabeck and Rechberg-Osterberg1573: Acquired Kellmünz1577: HRE Baron1604: Extinct; to Westernach Rechberg-Osterberg Lordship1601: Barony1810: County n/a n/a 1540: Partitioned from Rechberg-Kronburg1601: HRE Baron16??: Partitioned into Rechberg-Weißenstein and itself1806: To Württemberg1810: To Bavaria; Raised to County and assumed the name Rechberg and Rothenlöwen Rechberg-Ramsberg Lordship n/a n/a 1468: Partitioned from Rechberg-Scharfenberg1529: Extinct; to Pappenheim-Rothenstein Rechberg-Rechberghausen Lordship n/a n/a 1574: Partitioned from Rechberg-Illereichen1596: Partitioned into Rechberg-Rechberghausen-Unterwaldstetten and Rechberg-Rechberghausen-Rechberghausen Rechberg-Rechberghausen-Rechberghausen Lordship1642: Barony n/a n/a 1596: Partitioned from Rechberg-Rechberghausen1642: HRE Baron1672: Sold Unterwaldstetten to Grafeneck-Eglingen1677: Extinct; to Rechberg-Donzdorf Rechberg-Rechberghausen-Unterwaldstetten Lordship n/a n/a 1596: Partitioned from Rechberg-Rechberghausen1640: Extinct; to Rechberg-Rechberghausen-Rechberghausen Rechberg-Schwabeck Lordship1598: Barony n/a n/a 1596: Partitioned from Rechberg-Türkheim-Schwabeck1598: HRE Baron1620: Extinct; to Rechberg-Osterberg Rechberg-Scharfenberg Lordship n/a n/a 1430: Partitioned from Rechberg-Illereichen1468: Partitioned into Rechberg-Ramsberg and itself1547: Extinct; to Rechberg-Illereichen Rechberg-Schwarzenberg Lordship n/a n/a 1459: Established when Henry of Rechberg-Gammertingen acquired Schwarzenberg through marriage1542: Extinct; to Ehingen Rechberg-Staufeneck Lordship n/a n/a 1327: Partitioned from Rechberg auf den Bergen1330: Acquired Illereichen1351: Partitioned into itself and Rechberg-Illereichen1432: Partitioned into Rechberg-Babenhausen and itself1599: Extinct; divided between Getrude von Schutzbar and Württemberg1601: Hohenrechberg sold to Rechberg-Donzdorf1604: All to Getrude von Schutzbar1623: Sold to Württemberg Rechberg-Türkheim-Schwabeck Lordship n/a n/a 1540: Partitioned from Rechberg-Kronburg1597: Partitioned into Rechberg-Schwabeck and Rechberg-Weißenstein Rechberg unter den Bergen Lordship n/a n/a 13th Century: Partitioned from Rechberg1316: Acquired Sindelfingen and Kellmünz1351: Sindelfingen sold to Württemberg-Urach and Württemberg-Stuttgart1366: Heuchlingen and Rechberghausen sold to Austria1413: Extinct; to Rechberg-Hohenrechberg Rechberg-Weißenstein Lordship n/a n/a 1437: Partitioned from Rechberg-Hohenrechberg1443: Acquired Krautheim and Ballenberg as fief of Mainz1550: Extinct; to Rechberg-Kronburg Rechberg-Weißenstein Lordship1597: Barony1607: County n/a n/a 1596: Partitioned from Rechberg-Türkheim-Schwabeck1597: HRE Baron1607: HRE Count1618: Extinct; to Rechberg-Schwabeck Rechberg-Weißenstein Barony n/a n/a 16??: Partitioned from Rechberg-Osterberg1738: Extinct; to Rechberg-Osterberg Rechteren-Limpurg-Speckfeld County Franc FR 1713: Renamed from Rechteren when inherited a portion of Limpurg1806: To Württemberg ReckheimSee: Rekem Regensburg (Ratisbon) Bishopric Bav EC 739: Formed13th Century: HRE Prince of the Empire1803: Merged with other territories to form Archbishopric (see below) Regensburg (Ratisbon) Electoral Archbishopric Bav EC 1803: Mainz, Regensburg and other territories combined for Karl Theodor von Dalberg1810: To Bavaria; Karl Theodor von Dalberg obtained Frankfurt Regensburg (Ratisbon) Imperial City Bav SW 1245: Free Imperial City1803: To Archbishopric of Regensburg1810: To Bavaria Regenstein (Reinstein) County n/a n/a 1162: Partitioned from Blankenburg; fief of Saxony1180: Fief of Halberstadt1202: Fief of Brunswick and Lüneburg1224: Partitioned into Regenstein Elder Line and Regenstein Younger Line Regenstein (Reinstein) County n/a n/a 1599: To Halberstadt1644: To Tannenbach as fief of Halberstadt1671: To Halberstadt1807: To Westphalia1815: To Prussia Regenstein-Blankenburg County n/a n/a 1368: Formed by Regenstein-Hainburg after acquiring Blankenburg1599: Extinct; to HalberstadtSee: Blankenburg and Regenstein Regenstein Elder Line County n/a n/a 1224: Partitioned from Regenstein; fief of Brunswick and Lüneburg1328: Extinct; to Regenstein-Regenstein Regenstein-Hainburg County n/a n/a 1248: Partitioned from Regenstein Younger Line; fief of Brunswick and Lüneburg1344: Fief of Halberstadt1366: Acquired Regenstein1368: Acquired Blankenburg; renamed to Regenstein-Blankenburg Regenstein-Regenstein County n/a n/a 1248: Partitioned from Regenstein Younger Line; fief of Brunswick and Lüneburg1344: Fief of Halberstadt1366: Extinct; to Regenstein-Hainburg Regenstein Younger Line County n/a n/a 1224: Partitioned from Regenstein; fief of Brunswick and Lüneburg1248: Partitioned into Regenstein-Regenstein and Regenstein-Hainburg Reichelsberg (Reichsberg; Reichelsburg) LordshipCounty Franc n/a 1230: First mentioned; property of Brauneck as fief of Bamberg1249: To Brauneck-Brauneck as fief of Bamberg1390: To Würzburg1401: To Weinsberg1516: To Königstein1521: To Würzburg1671: To Schönborn1806: To Bavaria Reichenau Abbacy Swab SP 724????: Imperial immediacy1540: To the Bishopric of Constance1803: Secularised; to Baden Reichenstein Lordship Low Rhen WE 1332: Lordship established by Waldbott von Neuerburg1506: Waldbott von Neuerburg extinct; to Sombreffe1523: To Wied1698: To Nesselrode-Reichenstein1702: Bench of Westphalian Counts1776: To Nesselrode-Landskron1806: To Berg1815: To Prussia Reichenweier (Riquewihr) Lordship n/a n/a 1049: First mentioned; to Egisheim-Dagsburg1269: To Horburg1324: To Württemberg1680: Left the Empire as part of France1796: To France directly Reifferscheid (Reifferscheidt) Lordship n/a n/a 12th Century: First mentioned 1195: Partitioned into itself and Wildenburg1273: Acquired Malberg; side line established1354: Acquired Bedburg1366: Partitioned into Reifferscheid-Gladbach and Reifferscheid-Bedburg Reif