(Encyclopedia) Louis, 1682–1712, titular duke of Burgundy; grandson of King Louis XIV of France. He became heir to the throne on the death (1711) of his father, Louis the Great Dauphin. François de…
(Encyclopedia) Francis II, 1435–88, duke of Brittany. He succeeded (1458) his uncle Arthur III. In his struggle with the French crown for the independence of his duchy, Francis entered (1465) the…
(Encyclopedia) Frederick William, 1771–1815, duke of Brunswick, German military hero. On the death (1806) of his father, Charles William Ferdinand, his duchy was seized by Napoleon I and added to the…
(Encyclopedia) Medici, Lorenzo de', 1492–1519, duke of Urbino (1516–19); son of Piero de' Medici. His uncle, Pope Leo X, made the youthful Lorenzo duke of Urbino. After his early death, however,…
(Encyclopedia) Charles I, 953–992?, duke of Lower Lorraine (977–91); younger son of King Louis IV of France. He claimed the French throne when his nephew, Louis V of France, died (987) without issue…
(Encyclopedia) Robert II (Robert Curthose), c.1054–1134, duke of Normandy (1087–1106); eldest son of King William I of England. Aided by King Philip I of France, he rebelled (1077) against his father…
(Encyclopedia) Constantine (Konstantin Pavlovich)Constantinekənstəntyēnˈ pävˈləvĭch [key], 1779–1831, Russian grand duke, second son of Czar Paul I and brother of Alexander I and Nicholas I. On the…
(Encyclopedia) Leopold II, 1797–1870, grand duke of Tuscany (1824–59). Liberally inclined at first, he granted some reforms and undertook public works. In 1848 he approved a constitution and joined…
(Encyclopedia) Maurice, 1521–53, duke (1541–47) and elector (1547–53) of Saxony. A member of the Albertine branch of the ruling house of Saxony, he became duke of Albertine Saxony during the…
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