In 1066, King Harald Hardråde of Norway invaded England, only to be defeated by Harold Godwinson, who in turn was defeated by William of Normandy, descendant of the Viking Rollo, who had accepted Normandy as a fief from the Frankish King.

William was a Norman French-speaking fifth-generation descendant of the Viking war-leader Rollo, the first Scandinavian ruler of Normandy ; but Norman historians since Dudo of St. Quentin still celebrated the old Norse heritage of the ducal dynasty.

* Sir William Rollo, a British Army officer

Sometime around 927, Rollo passed the fief in Normandy to his son, William Longsword.

Rollo is the great-great-great-grandfather of William the Conqueror.

Although historians are divided on this, Hrolf Ganger might be identical with Rollo of Normandy, and if so the great-great-great-grandfather of William I of England.

William Camden wrote that the Normans were first called bigots, when their Duke Rollo, who when receiving Gisla, daughter of King Charles, in marriage, and with her the investiture of the dukedom, refused to kiss the king's foot in token of subjection – unless the king would hold it out for that specific purpose.

* GOC Multi-National Division ( South-East )-Major General William Rollo ( from July 2004 )

* GOC Multi-National Division ( South-East )-Major General William Rollo ( to January 2005 )

He was also grandson of Richard I of Normandy, great-grandson of William I of Normandy and great-great grandson of Rollo, the Viking who founded Normandy.

This statue of Rollo of Normandy | Rollo the Viking ( founder of the fiefdom of Normandy ) stands in Falaise, Calvados, birthplace of his descendant William I of England | William I the Conqueror ( the Duke of Normandy who became King of England ).

The protestations of Rudolph led Herbert to bring Charles before William Longsword, son of Rollo, the duke of Normandy, for homage and thence to Rheims to press Charles ' claim on Pope John X.

* The Dukes of Normandy: From Rollo to William of Normandy

* William Charles Wordsworth Rollo, 11th Lord Rollo ( 1860 – 1946 )

The heir apparent is the present holder's eldest son James David William Rollo, Master of Rollo ( b. 1972 )

* William III of Aquitaine married Gerloc, daughter of Rollo of Normandy

On the other hand, the less reliable Dodo has William III himself to marry in about 936 a daughter of Rollo.

* James David William Rollo, Master of Rollo, heir apparent to the Lordship of Rollo

* John Albert William Spencer-Churchill, 10th Duke of Marlborough ( 1897 – 1972 ), elder son of the 9th Duke

Several editors-in-chief of the Britannica are likely to have read their editions completely, such as William Smellie ( 1st edition ), William Robertson Smith ( 9th edition ), and Walter Yust ( 14th edition ).

However, the Britannica has also staunchly defended a scientific approach to emotional topics, as it did with William Robertson Smith's articles on religion in the 9th edition, particularly his article stating that the Bible was not historically accurate ( 1875 ).

* 1773 – William Henry Harrison, 9th President of the United States ( d. 1841 )

* November 10 – In San Francisco, California, a necrophiliac serial killer named Earle Nelson ( dubbed " Gorilla Man ") kills and then rapes his 9th victim, a boardinghouse landlady named Mrs. William Edmonds.

* April 4 – William Henry Harrison, 9th President of the United States ( b. 1773 )

* October 11 – William John Napier, 9th Lord Napier, British Navy officer, politician and diplomat ( b. 1786 )

* February 9 – William Henry Harrison, American military leader and 9th President of the United States ( d. 1841 )

The term " Occam's razor " first appeared in 1852 in the works of Sir William Hamilton, 9th Baronet ( 1788 – 1856 ), centuries after Ockham's death.

His cousin was Simon Fraser, 15th Lord Lovat, and his grandparents were Sir William Stirling-Maxwell, 9th Baronet and Lady Anna Maria Leslie-Melville.

* Archibald Hamilton, 9th Duke of Hamilton – Paragon ( 1786 ), Spadille ( 1787 ), Young Flora ( 1788 ), Tartar ( 1792 ), Petronius ( 1808 ), Ashton ( 1809 ), William ( 1814 )

Two United States Presidents, the 9th, William Henry Harrison, and the 10th, John Tyler, were born in and called Charles City, VA home.

The county was named for William Henry Harrison, the first governor of Indiana Territory, and later a General in War of 1812, hero of Tippecanoe, and the 9th U. S. President.

* William J. Collins was the 9th President of St. Ambrose University

Harrison was named after the 9th US President, William Henry Harrison.

* Sir William Hamilton, 9th Baronet ( 1788 – 1856 ), Scottish metaphysician

* William Douglas, 9th Earl of Angus ( died 1571 )

* William Douglas, 9th Earl of Morton ( died 1681 ), son of the 8th Earl of Morton

Osler in 1909, at the Bodleian Library, Oxford, holding Sir William Stirling-Maxwell, 9th Baronet | Sir William Stirling Maxwell's copy of Andreas Vesalius | Vesal's Tabulae Anotomicae

* William Angus Drogo Montagu, 9th Duke of Manchester, politician

his father, Thomas Brooke, was an English Judge Court of Appeal at Bareilly, British India ; his mother, Anna Maria, born in Hertfordshire, was the daughter of Scottish peer Colonel William Stuart, 9th Lord Blantyre, and his mistress Harriott Teasdale.

The 8th Earl's eldest son William Richard George became the 9th Earl.

* William Richard George Stanley, 9th Earl of Derby ( 1655 – 1702 )