Title: William III of the Netherlands
Content:  William III (Dutch: Willem Alexander Paul Frederik Lodewijk; English: William Alexander Paul Frederick Louis; 19 February 1817 – 23 November 1890) was King of the Netherlands and Grand Duke of Luxembourg from 1849 until his death in 1890. He was also the Duke of Limburg from 1849 until the abolition of the duchy in 1866. William was the son of King William II and Anna Pavlovna of Russia. On the abdication of his grandfather William I in 1840, he became the Prince of Orange. On the death of his father in 1849, he succeeded as king of the Netherlands. William married his cousin 
Title: William III of the Netherlands
Content:   William was born on 19 February 1817 in the Palace of the Nation in Brussels, which was part of the United Kingdom of the Netherlands at the time. He was the eldest son of the future king William II of the Netherlands and Anna Pavlovna of Russia. He had three brothers, one of whom died in infancy, and one sister. In 1827, at the age of ten, he was made an honorary colonel in the Royal Netherlands Army. In the 1830s, he served as lieutenant in the Grenadiers Regiment. In 1834, he was made honorary commander of the Grenadiers Regiment of Kiev nr. 5 in the Imperial 
Title: William III of the Netherlands
Content: Willem Nicolaas Alexander Frederik Karel Hendrik (1840–1879). Heir apparent to the Throne from 1840 till his death. ; Willem Frederik Maurits Alexander Hendrik Karel (1843–1850). ; Willem Alexander Karel Hendrik Frederik (1851–1884). Heir apparent to the Throne from 1879 till his death. ; Wilhelmina Helena Pauline Maria (1880–1962). Queen of the Netherlands from 1890 to 1948. Of William III's four legitimate children, three reached adulthood, two sons from his marriage to Queen Sophie and one daughter from his marriage to Queen Emma: Standing at 6'5" (196 cm) he was an exceptionally large and strong man. William III was known to be a philanderer and had several dozen illegitimate children from various mistresses.
Title: William III of the Netherlands
Content:  of Württemberg in 1839 and they had three sons, William, Maurice, and Alexander, all of whom predeceased him. After Sophie's death in 1877 he married Emma of Waldeck and Pyrmont in 1879 and they had one daughter Wilhelmina, who succeeded William to the Dutch throne. Meanwhile, being the last agnatic dynastic descendant of Otto I, Count of Nassau, the throne of the Grand Duchy of Luxembourg passed to his patrilineal seventeenth cousin once removed (and matrilineal third cousin), Adolphe. , he is the last Dutch monarch to die whilst on the throne as all his successors have abdicated in favor of their children.
Title: William III of England
Content:   William III was born in The Hague in the Dutch Republic on 4 November 1650. Baptised William Henry (Willem Hendrik), he was the only child of Mary, Princess Royal, and stadtholder William II, Prince of Orange. His mother was the eldest daughter of King Charles I of England, Scotland and Ireland and sister of King Charles II and King James II and VII. Eight days before William was born, his father died of smallpox; thus William was the sovereign Prince of Orange from the moment of his birth. Immediately, a conflict ensued between his mother and paternal grandmother, Amalia of Solms-Braunfels, 
Title: William II of the Netherlands
Content:  William II (Willem Frederik George Lodewijk, anglicized as William Frederick George Louis; 6 December 1792 – 17 March 1849) was King of the Netherlands, Grand Duke of Luxembourg, and Duke of Limburg. William II was the son of William I and Wilhelmine of Prussia. When his father, who up to that time ruled as sovereign prince, proclaimed himself king in 1815, he became Prince of Orange as heir apparent of the Kingdom of the Netherlands. With the abdication of his father on 7 October 1840, William II became king. During his reign, the Netherlands became a parliamentary democracy with the new constitution of 1848. William II was married to Anna Pavlovna of Russia. They had four sons and one daughter. William II died on 17 March 1849 and was succeeded by his son William III.
Title: List of rulers of the Netherlands
Content:  When William III died childless, the patrilineal ancestry of Orange-Nassau became extinct. In contrast to other provinces of the Dutch Republic, Friesland, Groningen and Drenthe had mostly drawn its stadtholders from the House of Nassau, that starting with John VI, the brother of William of Orange, and comprises in addition a matrilineal ancestry with the house of Orange-Nassau.
Title: List of monarchs of the Netherlands
Content:  When William III died childless, the patrilineal ancestry of Orange-Nassau became extinct. In contrast to other provinces of the Dutch Republic, Friesland, Groningen and Drenthe had mostly drawn its stadtholders from the House of Nassau, that starting with John VI, the brother of William of Orange, and comprises in addition a matrilineal ancestry with the house of Orange-Nassau.
Title: List of national founders
Content:  Prince William I of Orange (1533–1584) or William the Silent, is known as the father of the Netherlands. He led the Dutch in their Revolt against Spain for their independence. Today he is often called Vader des Vaderlands which in English means, Father of the Fatherland.
Title: William II of Holland
Content:  William was the eldest son and heir of Count Floris IV of Holland and Matilda of Brabant. When his father was killed at a tournament at Corbie, William was only seven years old. His paternal uncles William and Otto, bishop of Utrecht, were his guardians until 1239.

Question: Who is the father of William III of the Netherlands?
Answer: William II of the Netherlands.
King William II of the Netherlands.
Prince William of Orange.
Prince William of Orange-Nassau.
William II.