He was born at Inverugie Castle near Peterhead, the second son of William, 9th Earl Marischal of Scotland.
William Shakespeare | William Laud | William Blake | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | 9th United States Congress | William Hogarth | Prince William, Duke of Cambridge | Keith Haring | William Penn | William Jennings Bryan | William Gibson | James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Keith Richards | Herbert Kitchener, 1st Earl Kitchener | William Wilberforce | William James |
--John Fleming, 2nd Earl of Wigtown-->Lord Fleming, the Earl of Marischal, and Lord Almond.
In response, thirty prominent California artists, among them Thomas Hill, Amédée Joullin, William Keith and Arthur Mathews, came to his aid with a benefit sale of their work.
In the 19th century an oak heraldry shield was found in a local cottage with the arms of William Keith, 7th Earl Marischal and its date was carved as 1660.