There are many people named William.
The US singer with The Black Eyed Peas is will.i.am (William Adams), born Match 15, 1975.
Prince William, Duke of Cambridge, was born June 21, 1982.
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US singer will.i.am (William Adams) is 43 years old (birthdate March 15, 1975).
William Moseley is 30 years old (birthdate: April 27, 1987).
William Friedkin is 76 years old (birthdate: August 29, 1935).
William Livingston was 87 years old when he sighed the constatotion
William Oefelein is 45 years old (birthdate: March 29, 1965).
William McKinley was born on January 29, 1843 and died on September 14, 1901. William McKinley would have been 58 years old at the time of death or 172 years old today.
William the Old died in 1168.
William was 59 years old when he died.
When William Penn Died He was 74 years old
William Blount was 51 years old when he died.
William E. Boeing was 75 years old.
As of June 2014, William Carvalho is 22 years old.
William dampier was 64 years old when he died.
William the Conquerer was fifty-nine years old when he died.
When William died on April 23rd 1616, he was 52 years old.
William Penn was 38 years old when he founded Pennsylvania. William Penn was also a Quaker and a philosopher.
William Weasley is 39 years old (birthdate: November 29, 1971).
William Beckett is 32 years old (birthdate: February 11, 1985).