William III or William the Third may refer to:

Kings

William III of Sicily William III ( it, Guglielmo III; c. 1186 c. 1198), a scion of the Hauteville dynasty, was the last Norman King of Sicily, who reigned briefly for ten months in 1194. He was overthrown by his great-aunt Constance and her husband Emperor Henry VI. ...

(c. 1186–c. 1198) * William III of England and Ireland or William III of Orange or William II of Scotland (1650–1702) * William III of the Netherlands and Luxembourg (1817–1890)

Nobles

* William III, Duke of Aquitaine (913–963) * William III, Count of Toulouse, also styled William III of Provence (c. 970–1037) * William III of Provence (died after 1037) * William III of Weimar (died 1039) *

William III, Marquess of Montferrat William III (c. 970 – 1042) was the third Marquis of Montferrat and Count of Vado from 991 to his death. He was the eldest son and successor of Otto I. William I and II were the father and son, respectively, of Aleram, the first Marquis, but ne ...

(c. 970–1042) *

William II, Count of Provence William II (or III) (late 980s – 1019), called the Pious, was the Count of Provence. Life William was the son of William I (or II) of Provence and Adelaide-Blanche of Anjou, who were married by January 984. William appears in the documents of ...

, also numbered William III of Provence, (late 980s–1018) *

William III, Lord of Montpellier William III (or in Occitan: Guilhem III) was the Lord of Montpellier from 1025 until his death in 1058. He was the son of William II and husband of Beliardis. His son and successor was William IV. He is the last of the "shadowy" lords of Montpellie ...

(died 1058) * William V, Count of Angoulême, also known as William Taillefer III (1084–1118/20) * William III of Forcalquier (died 1129) *

William III of Mâcon William III of Mâcon (1088–1156), also known as William IV of Burgundy, was Count of Mâcon (1102–1156), count of Auxonne (1127–1156), count of Vienne (1148–1156) and regent of the county of Burgundy (1148–1156). He was a younger son ...

(1088–1156) * William III, Count of Ponthieu (c. 1093–1172) *

William III, Count of Nevers William III, Count of Nevers (c. 1107 – 21 November 1161) was Count of Nevers, Auxerre and Tonnerre (1148–1161). He was born in Auxerre. Family He was a son of William II of Nevers and his wife Adelaide. The ancestry of his mother is unkn ...

(c. 1107–1161) *

William III, Count of Burgundy William III, Count of Burgundy (c. 1110–1127) inherited his father William II's counties Burgundy and Mâcon as his only son, following William II's assassination by his barons in 1125. William III was himself then assassinated aged only 17 in ...

(c. 1110–1127) *

William III, Count of Jülich William was Count of Jülich from 1207 to 1219. He was a nephew of the previous Count, William II. He married Mathilde, daughter of Waleran III, Duke of Limburg. He died in 1219 during the Fifth Crusade in Egypt, and was succeeded by his son Willia ...

, ruled 1207–1219 * William II, Count of Flanders, also styled William III of Dampierre (1224–1251) *

William de Cantilupe (died 1254) William III de Cantilupe (died 25 September 1254) (anciently Cantelow, Cantelou, Canteloupe, Latinised to de Cantilupo) was the 3rd feudal baron of Eaton Bray in Bedfordshire, and ''jure uxoris'' (in right of his wife Eva de Braose, heiress of ...

* William III of Baux (died 1257) * William III of Cagliari, ruled 1256–1258 *

William III of Geneva William III of Geneva (french: Guillaume III de Genève, 1280 - 1320) was the Count of Geneva from 1308 to 1320. He was the son of count Amadeus II of Geneva, and Agnès, daughter of John, Count of Chalon. Biography William was the oldest son of ...

(1280-1320) *

William I, Count of Hainaut William the Good ( nl, Willem, french: Guillaume; – 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, Co ...

or William III of Holland (c. 1286–1337) * William III, Earl of Ross, known as ', 5th Earl of Ross (died 1372) *

William I, Duke of Bavaria William I, Duke of Bavaria-Straubing (Frankfurt am Main, 1330–1389, 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 of Hainaut and ...

or William III of Hainaut (1330–1389) *

William III, Duke of Bavaria William III (1375 – 12 September 1435; (German: ''Wilhelm III., Herzog von Bayern''), was Duke of Bavaria-Munich (1397–1435), together and in concord with his older brother Ernest, Duke of Bavaria. William III was a son of John II and ...

(1375–1435) *

William III of Isenburg-Wied William III of Isenburg-Wied was the Count of Isenburg-Wied from 1413 until 1462. {{DEFAULTSORT:William 03 Of Isenburg-Wied House of Isenburg ...

, ruled 1413–1462 *

William III, Landgrave of Thuringia William III (30 April 1425 – 17 September 1482), called the Brave (in German ''Wilhelm der Tapfere''), was landgrave of Thuringia (from 1445) and claimant duke of Luxemburg (from 1457). He is actually the second William to rule Thuringia, an ...

(1425–1482) *

William III, Princely count of Henneberg-Schleusingen Princely count William III of Henneberg-Schleusingen (12 March 1434 – 25 May 1480 in Salorno) was a member of the House of Henneberg. He was the son of William II of Henneberg and Catherine of Hanau. William III inherited the princely coun ...

(1434–1480) * William III, Landgrave of Hesse (1471–1500)

Horses

William the Third (horse) William the Third (1898–1917) was a British Thoroughbred racehorse and sire. After finishing unplaced on his only race as a two-year-old in 1900, he won five times in 1901 as well as finishing second in The Derby. He reached his peak as ...

Kings

Nobles

Horses

See also