Important contributors to the field were William of Conches, Bartholomew of Lucca, William of Auvergne, William of Pagula, and Ibn Khaldun.

# Adelaide ( b. c. 1190 ), married 1206 Arnulf, Count of Loos, married February 3, 1225 William X of Auvergne ( c. 1195 – 1247 ), married before April 21, 1251 Arnold van Wesemaele ( d. aft.

Nevertheless, his Muslim psychology and theory of knowledge influenced William of Auvergne and Albertus Magnus, while his metaphysics had an impact on the thought of Thomas Aquinas.

* Emma ( died 1120 ), briefly engaged to Philip I of France ; married firstly William VI of Auvergne and secondly Rudolf, Count of Montescaglioso.

Nevertheless, his psychology and theory of knowledge influenced William of Auvergne and Albertus Magnus, and his metaphysics had an impact on the thought of Thomas Aquinas.

* William I the Pious ( 893 – 918 ), also Count of Auvergne

* William II the Younger ( 918 – 926 ), nephew of William I, also Count of Auvergne.

* Acfred ( 926 – 927 ), brother of William II, also Count of Auvergne.

* William III Towhead ( 962 – 963 ), son of Ebalus, also Count of Poitiers and Auvergne.

He was a contemporary of William of Auvergne, Bishop of Paris, and his works are cited by Richard de Fournival, Gerard of Abbeville and Thomas Aquinas.

The second son of Henri de La Tour d ' Auvergne, vicomte de Turenne, duc de Bouillon, sovereign Prince of Sedan, by his second wife Elizabeth, daughter of William the Silent, Prince of Orange, he was born at Sedan.

Augustine of Hippo ( 5th century ), Hincmar ( early French theologian, archbishop of Rheims, 9th century ), Michael Psellus ( 11th century ), William of Auvergne, Bishop of Paris ( 13th century ), Johannes Tauler ( 14th century ), and Ludovico Maria Sinistrari ( 17th century ), among others, supported the idea that demons were lustful and lascivious beings.

William of Auvergne, conceived the idea that demons felt a particular and morbid attraction by long and beautiful female hair, and thus women had to follow the Christian use of covering it to avoid exciting desire in them.

* William of Auvergne ( bishop )

* William of Auvergne, Bishop of Paris

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.

William was the son of Bernard II of Auvergne and Ermengard.

William II the Young ( died 12 December 926 ) was the Count of Auvergne and Duke of Aquitaine from 918 to his death, succeeding his uncle William I.

Acfred ( died 927 ) was briefly Count of Auvergne and Duke of Aquitaine between 926 and his death, succeeding his brother William II.

He was also the Count of Poitou ( as William I ) from 935 and Count of Auvergne from 950.

* 1849 – John William Waterhouse, British painter ( d. 1917 )

* 1864 – William Bate Hardy, British biochemist ( d. 1934 )

* 1909 – William M. Branham, American evangelist ( d. 1965 )

* 1705 – William Cookworthy, English chemist ( d. 1780 )

* 1856 – William Martin Conway, English art critic and mountaineer ( d. 1937 )

* 1874 – William B. Bankhead, American politician ( d. 1940 )

* 1766 – William Hyde Wollaston, English chemist ( d. 1828 )

* 1891 – William Slim, 1st Viscount Slim, English general, 13th Governor-General of Australia ( d. 1970 )

* 1722 – Prince Augustus William of Prussia ( d. 1758 )

* 1911 – William Alfred Fowler, American physicist, Nobel Prize laureate ( d. 1996 )

* 1666 – William Wotton, English scholar ( d. 1727 )

* 1790 – William Wentworth, Australian explorer and politician ( d. 1872 )

* 1877 – William Brennaugh, Canadian lacrosse player ( d. 1934 )

* 1911 – William Bernbach, American advertiser, co-founder of DDB Worldwide ( d. 1982 )

* 1770 – William Clark, American soldier, explorer, and politician ( d. 1838 )

* 1809 – William B. Travis, American lawyer and soldier ( d. 1836 )

* 1770 – Frederick William III of Prussia ( d. 1840 )

* 1860 – William Kennedy Dickson, France-Scottish actor, director, and inventor ( d. 1935 )

* 1934 – William Calhoun, American wrestler ( d. 1989 )

* 1921 – William Asher, American director, screenwriter, and producer ( d. 2012 )

* 1586 – William Hutchinson, English-American judge ( d. 1642 )

* 1688 – Frederick William I of Prussia ( d. 1740 )

* 1908 – William Keepers Maxwell, Jr., American novelist ( d. 2000 )

* 1754 – William Murdoch, Scottish engineer and inventor, created gas lighting ( d. 1839 )

* 1765 – William IV of the United Kingdom ( d. 1837 )