William I may refer to:

Kings

William the Conqueror William the Conqueror (Bates ''William the Conqueror'' p. 33– 9 September 1087), sometimes called William the Bastard, was the first Norman king of England (as William I), reigning from 1066 until his death. A descendant of Rollo, he was D ...

(–1087), also known as William I, King of England *

William I of Sicily William I (1120 or 1121 7 May 1166), called the Bad or the Wicked (), was the second king of Sicily, ruling from his father's death in 1154 to his own in 1166. He was the fourth son of Roger II and Elvira of Castile. William's title "the Bad" ...

(died 1166) * William I of Scotland (died 1214), known as

William the Lion William the Lion (), sometimes styled William I (; ) and also known by the nickname ; e.g. Annals of Ulster, s.a. 1214.6; Annals of Loch Cé, s.a. 1213.10. ( 1142 – 4 December 1214), reigned as King of Alba from 1165 to 1214. His almost 49 ...

* William I of the Netherlands and Luxembourg (1772–1843) *

William I of Bimbia William I of Bimbia, born Bile, was born in 1800 and lived until 1877. He was Paramount chief, was chief and Monarch, king of the Isubu ethnic group, who lived in Bimbia on the coast of Cameroon in the mid-to-late 19th century. Great Britain, Brit ...

() *

William I of Württemberg William I (; 27 September 178125 June 1864) was King of Württemberg from 30 October 1816 until his death. Upon William's accession, Württemberg was suffering crop failures and famine in the "Year Without a Summer", in 1816. After taking office, ...

(1781–1864) *

Wilhelm I Wilhelm I (Wilhelm Friedrich Ludwig; 22 March 1797 – 9 March 1888) was King of Prussia from 1861 and German Emperor from 1871 until his death in 1888. A member of the House of Hohenzollern, he was the first head of state of a united Germany. ...

(1797–1888), King of Prussia and later German Emperor

Nobles

William I of Gascony William of Septimania (29 November 826 – 850) was the son of Bernard and Dhuoda. He was the count of Toulouse from 844 and count of Barcelona from 848. The sources for his life are primarily the ''Annales Bertiniani'' and the '' Chronica Fo ...

(died 848) *

William I of Aquitaine William I (22 March 875 – 6 July 918), called the Pious, was the Count of Auvergne from 886 and Duke of Aquitaine from 893, succeeding the Poitevin ruler Ebalus Manser. He made numerous monastic foundations, most important among them the fou ...

(died 918) *

William I of Montferrat William I, Marquis of Montferrat (Italian: ''Guglielmo I del Monferrato'', ''floruit'' 921, d. 933 or before) stands at the head of the Aleramici family which ruled Montferrat for four centuries. He was the father of the first Marquis Aleram. ...

() *

William I of Normandy William Longsword (, , , ; 893 – 17 December 942) was the second ruler of Normandy, from 927 until his assassination in 942.Detlev Schwennicke, '' Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten'', Neue Folge, ...

(–942) * William I of Montpellier () *

William I of Provence William I ( 950 – after 29 August 993), called the Liberator, was Count of Provence from 968 to his abdication. In 975 or 979, he took the title of ''marchio'' or margrave. He is often considered the founder of the county of Provence. He and his ...

(–993) *

William I Talvas William I Talvas (c. 995 – c. 1060), seigneur of Alençon. According to Orderic Vitalis his nickname ''Talvas'' meaning shield, presumably alluded to his hardness or callousness like that of a shield. He was a member of the House of Bellême. L ...

(–after 1030), seigneur of Alençon *

William Iron Arm {{Infobox noble , name = William Iron Arm , title = , image = {{CSS image crop, Image = Statue cathédrale Coutances Guillaume Bras-de-fer.JPG, bSize = 607, cWidth = 235, cHeight = 247, oTop = 175, oLeft = 178, Location = center , caption = S ...

(before 1010–1046), Duke of Apulia *

William I, Bishop of Utrecht William I served as Bishop of Utrecht from 1054 until his death in 1076. He was a typical representative of the German imperial system in which bishops (who couldn't inherit their lands) were the main officials of the empire. He was a loyal fol ...

(died 1076) *

William I, Count of Nevers William I, Count of Nevers (French: ''Guillaume Ier'', c. 1029 – 20 June 1100), was the son of Renauld I, Count of Nevers and Hedwig of France, Countess d'Auxerre. He married Ermengarde, daughter of Renauld, Count of Tonnerre about 1039. Willi ...

(–after 1083) *

William I, Count of Burgundy William I (1020 – 12 November 1087), called the Great (''le Grand'' or ''Tête Hardie'', "the Stubborn"), was Count of Burgundy from 1057 to 1087 and Mâcon from 1078 to 1087. He was a son of Reginald I, Count of Burgundy and Alice of Normandy ...

(1020–1087) *

William de Warenne, 1st Earl of Surrey William de Warenne, 1st Earl of Surrey, Lord of Lewes, Seigneur de Varennes (died 1088), was a Norman nobleman created Earl of Surrey under William II Rufus. He is among the few known from documents to have fought under William the Conquero ...

(died 1088) *

William I of Cerdanya William I Raymond (; ) (1068–1095) was the count of Cerdanya and Berga from the year of his birth till that of his death, giving up Berga a year earlier to his son William-Jordan. He was the son of Raymond I of Cerdanya, who died a short wh ...

(1068–1095) *

William I of Bures William of Bures (died before the spring of 1144, or around 1157) was Prince of Galilee from 1119 or 1120 to his death. He was descended from a French noble family which held estates near Paris. William and his brother, Godfrey, were listed among ...

(died 1142), French crusader *

William I of Béarn William is a masculine given name of Germanic origin. It became popular in England after the Norman conquest in 1066,All Things William"Meaning & Origin of the Name"/ref> and remained so throughout the Middle Ages and into the modern era. It is ...

(died 1173) *

William le Gros, 1st Earl of Albemarle William le Gros, William le Gras, William d'Aumale, William Crassus (died 20 August 1179) was Earl of York and Lord of Holderness in the English peerage and the Count of Aumale in France. He was the eldest son of Stephen, Count of Aumale, and his ...

(died 1179) *

William I of Geneva William I of Geneva ( 1132 – 25 July 1195) was Count of Geneva from 1178 to 1195. He was the son of Amadeus I, Count of Geneva and Matilda de Cuiseaux. William married Agnes of Savoy. They had: * Following his first wife's death c. 1172, ...

() *

William of Champlitte William is a masculine given name of Germanic origin. It became popular in England after the Norman conquest in 1066,All Things William"Meaning & Origin of the Name"/ref> and remained so throughout the Middle Ages and into the modern era. It is ...

(died 1209), Prince of Achaea *

William I of Cagliari William I (c. 1160–1214), royal name Salusio IV, was the '' judike'' of Cagliari, meaning "King", from 1188 to his death. His descendants and those of his immediate competitors intermarried to form the backbone of the Italian Aristocracy, an ...

(–1214) *

William I, Lord of Douglas William of Douglas (died c. 1214) was a medieval nobleman living in Clydesdale, an area under the control of the King of the Scots. Enigmatic origins The origins of William are uncertain, the first of the name of Douglas to appear on historic re ...

(died ) *

William I, Count of Holland William I (c. 1167 – 4 February 1222) was count of Holland from 1203 to 1222. He was the younger son of Floris III and Ada of Huntingdon. Early life William was born in The Hague, but raised in Scotland. He participated in the Third Cr ...

(–1222) *

Uilleam I, Earl of Ross William I, Earl of Ross (Gaelic: ''Uilleam''; died 1274) was ruler of the province of Ross in northern Scotland. Biography William appears as early as 1232, witnessing a charter as the son of Ferquhard, Earl of Ross. He succeeded his father as ...

(died 1274) *

William I de la Roche William I de la Roche (died 1287) succeeded his brother, John I, as Duke of Athens in 1280. He was the son of Guy I de la Roche. William reversed the territorial losses of his brother's reign, extending his control over Lamia and Gardiki. He ...

(died 1287), Duke of Athens *

William I, Count of Hainaut William the Good (, ; – 7 June 1337) was count of Hainaut (as William I), Avesnes, Holland (as William III), and Zeeland (as William II) from 1304 to his death. Career William, born , was the son of John II, Count of Hainaut, and Philipp ...

(1286–1337) *

William I, Duke of Bavaria William I, Duke of Bavaria-Straubing (Frankfurt am Main, 12 May 1330 – 15 April 1389, Le Quesnoy), was the second son of Emperor Louis IV and Margaret II of Hainaut. He was also known as William V, Count of Holland, as William III, Count ...

(1330–1389) *

William I of Guelders and Jülich William (5 March 1364 – 16 February 1402, Arnhem) was Duke of Guelders, as William I, from 1377 and Duke of Jülich, as William III, from 1393. William was known for his military activities, participating in the Prussian crusade five times ...

(1364–1402) *

William I, Margrave of Meissen William I, the One-Eyed (19 December 1343, Dresden – 9 February 1407, Schloss Grimma) was Margrave of Meissen. His nickname is related to the legend that Saint Benno appeared to him because of his disputes with the Church in a dream and he ...

(1343–1407), known as William I, the one-eyed * William I, Landgrave of Hesse (1466–1515) *

William I, Count of Nassau-Siegen William I of Nassau-SiegenIn many sources he is called William I of Nassau(-Dillenburg) and in some sources of Nassau-Katzenelnbogen. He was born with the titles Count of Nassau, Vianden and Diez. Two years before his death, he obtaine ...

(1487–1559) *

William the Silent William the Silent or William the Taciturn (; 24 April 153310 July 1584), more commonly known in the Netherlands as William of Orange (), was the leader of the Dutch revolt against the Spanish Habsburg Netherlands, Habsburgs that set off the ...

(1533–1584), Prince of Orange *

Guglielmo I Gonzaga Guglielmo Gonzaga (24 April 1538 – 14 August 1587) was Duke of Mantua from 1550 to 1587, and of Montferrat from 1574 to 1587. He was the second son of Federico II Gonzaga, Duke of Mantua and Margaret Palaeologina of Montferrat. In 1574, Montferr ...

(1538–1587), Duke of Mantua *

William I, Elector of Hesse William I, Elector of Hesse (; 3 June 1743 – 27 February 1821) was the eldest surviving son of Frederick II, Landgrave of Hesse-Kassel (or Hesse-Cassel) and Princess Mary of Great Britain, the daughter of George II of Great Britain, George II. ...

(1743–1821)

Kings

Nobles

See also