Saxon Duchies

SAXE-WITTENBERG
1260-1298: Albrecht II
1298-1356: Rudolf I
1356-1370: Rudolf II
1370-1388: Wenzel
1388-1419: Rudolf III
1419-1422: Albrecht III
WETTIN
1423-1428: Friedrich I the Warlike
1428-1464: Friedrich II the Mild
1445-1482: Wilhelm III (in Thuringia)
1464-1485: Ernst
1464-1485: Albrecht the Courageous

Saxe (-Meissen)
1485-1500: Albrecht the Courageous
1500-1539: Georg the Bearded
1539-1541: Heinrich the Pious
1541-1553: Moritz (Elector 1547)
1553-1586: August
1586-1591: Christian I
1591-1611: Christian II
1611-1656: Johann Georg I
1656: Johann Georg II
1656-1691: Johann Georg III
1691-1694: Johann Georg IV
1694-1733: Friedrich August I
1733-1763: Friedrich August II
1763: Friedrich Christian

Saxe (-Thuringen)
1485-1486: Ernst
1486-1525: Friedrich III the Wise
1525-1532: Johann the Steady
1532-1547: Johann Friedrich the Magnanimous
1542-1553: Johann Ernst

SAXE-ALTENBURG
1602-1639: Johann Philipp
1639-1669: Friedrich Wilhelm II (1603-1669)
1669-1672: Friedrich Wilhelm III
1826-1834: Friedrich of Hildburghausen (1763-1834)
1834-1848: Josef
1848-1853: Georg
1853-1908: Ernst I
1908-1918: Ernst II

SAXE-COBURG
1572-1633: Johann Kasimir
1680-1699: Albrecht

SAXE-COBURG-GOTHA
1826-1844: Ernst I
1844-1893: Ernst II
1893-1900: Alfred
1900-1918: Karl Eduard

SAXE-COBURG-SAALFELD
1699-1729: Johann Ernst (1658-1729)
1729-1745: Christian Ernst (1683-1745)
1729-1764: Franz Josias (1607-1764)
1764-1800: Ernst Friedrich (1724-1800)
1800-1806: Franz Friedrich Anton (1750-1806)
1806-1826: Ernst I (1784-1844)

SAXE-EISENACH
1572-1638: Johann Ernst II
1640-1644: Albrecht
1662-1668: Adolf Wilhelm
1668-1671: Wilhelm August Posthumous
1686-1698: Johann Georg II
1698-1729: Johann Wilhelm
1729-1741: Wilhelm Heinrich

SAXE-EISENBERG
1680-1707: Christian

SAXE-GOTHA
1554-1566: Johann Friedrich II the Intermediate (Coburg & Gotha)
1554-1565: Johann Friedrich III the Younger
1566-1572: Friedrich IV
1566-1572: Johann Kasimir
1566-1572: Johann Ernst II
1640-1675: Ernst I the Pious
1675-1680: Friedrich I

SAXE-GOTHA-ALTENBURG
1680-1691: Friedrich I (1646-1691)
1691-1732: Friedrich II (1676-1732)
1732-1772: Friedrich III (1699-1772)
1772-1804: Ernst II (1745-1804)
1804-1822: August I (1772-1822)
1822-1825: Friedrich IV (1774-1825)

SAXE-HILDBURGHAUSEN
1680-1715: Ernst (1655-1715)
1715-1724: Ernst Friedrich I (1681-1724)
1724-1745: Ernst Friedrich II (1707-1745)
1745-1780: Ernst Friedrich III Karl (1727-1780)

1780-1826: Friedrich of Saxe-Hildburghausen (1763-1834)

SAXE-JENA
1662-1678: Bernhard II
1678-1690: Johann Wilhelm

SAXE-LAUENBURG
1260-1285: Johann I
1285-1305: Johann II
1285-1305: Albrecht III
1285-1305: Erich I

SAXE-MARKSUHL
1662-1682: Johann Georg I (in Eisenach 1671)

SAXE-MEININGEN
1680-1706: Bernhard I (1649-1706)
1706-1724: Ernst Ludwig I (1672-1724)
1724-172: Ernst Ludwig II
1729-1743: Karl Friedrich
1743-1746: Friedrich Wilhelm
1746-1763: Anton Ulrich (1687-1763)
1763-1782: Karl (1754-1782)
1782-1803: Georg I (1761-1803)
1803-1826: Bernhard II Erich Freund

SAXE-MEININGEN-HILDBURGHAUSEN
1826-1866: Bernhard II Erich Freund
1866-1914: Georg II
1914-1918: Bernhard III

SAXE-MERSEBURG
1656-1691: Christian I
1691-1694: Christian II
1694: Christian Moritz
1694-1731: Moritz Wilhelm
1731-1738: Heinrich

SAXE-MOLLN-BERGEDORF
1305-1321: Johann II
1321-1344: Albrecht VI
1344-1358: Johann II (in Mölln)
1344-1370: Albrecht V (in Bergedorf)
1370-1401: Erich III

SAXE-RATZEBURG
1305-1308: Albrecht III
1305-1361: Erich I
1361-1368: Erich II
1368-1412: Erich IV
1412-1436: Erich V
1436-1463: Bernhard IV
1463-1507: Johann IV
1507-1543: Magnus I
1543-1571: Franz I
1571-1574: Magnus II
1574-1581: Franz I (restored)
1581-1588: Magnus II (restored)
1581-1612: Moritz
1581-1619: Franz II
1619-1656: August
1656-1665: Julius Heinrich
1665-1666: Franz Erdmann
1666-1689: Julius Franz

SAXE-ROMHILD
1680-1710: Heinrich

SAXE-SAALFELD
1680-1699: Johann Ernst

SAXE-WEIMAR
1554-1573: Johann Wilhelm
1573-1602: Friedrich Wilhelm (1562-1602) (in Altenburg)
1573-1605: Johann III (1570-1605) (in Weimar)
1605-1626: Johann Ernst
1605-1622: Friedrich
1605-1662: Wilhelm (1598-1662)
1605-1640: Albrecht
1605-1628: Johann Friedrich
1605-1640: Ernst the Pious
1605-1619: Friedrich Wilhelm
1605-1639: Bernhard I (Duke of Franconia 1633-9)
1662-1683: Johann Ernst II (1627-1683)
1683-1728: Wilhelm Ernst (1662-1728) (in Weimar)
1683-1707: Johann Ernst II (in Kapellendorf)
1707-1741: Ernst August I (1688-1748)

SAXE-WEIMAR-EISENACH
1741-1748: Ernst August I (1688-1748)
1748-1758: Ernst August Constantine
1758-1828: Karl August (Grand Duke 1815)
1828-1853: Karl Friedrich
1853-1901: Karl Alexander
1901-1918: Wilhelm Ernst

SAXE-WEISSENFELS
1656-1680: August (1614-1680)
1680-1697: Johann Adolf I (1649-1697)
1697-1712: Johann Georg (1677-1712)
1712-1736: Christian (1682-1736)
1736-1746: Johann Adolf II (1685-1746)

SAXE-ZEITZ
1656-1681: Moritz
1681-1718: Moritz Wilhelm

References
The House of Wettin