Facts: - constituency mp: eye portsmouth - death date: 05 july 1819 - allegiance: united of great britain and ireland kingdom of great britain and ireland united kingdom - nickname: '' billy go tight '' and '' mr whip '' blue billy '' '' coachee '' , '' - term end: 1807180017841774 1790 - awards: gcb - birth date: 10 february 1744 - term start: 1801179017821768 1784 - name: sir william cornwallis - branch: united kingdom - serviceyears: 1755 & ndash ; 1806 - image: william cornwallis as admiral.jpg - relations: charles townshend cornwallis , 1st marquess cornwallis , viscount charles - rank: admiral Based on these bullet points, write a short biography describing the life of william cornwallis .
A:
admiral the honourable sir william cornwallis , -lrb- 10 february 1744 -- 5 july 1819 -rrb- was a royal navy officer .he was the brother of charles cornwallis , the 1st marquess cornwallis , british commander at the siege of yorktown .cornwallis took part in a number of decisive battles including the siege of louisbourg in 1758 and the battle of the saintes but is best known as a friend of lord nelson and as the commander-in-chief of the channel fleet during the napoleonic wars .he is depicted in the horatio hornblower novel , '' hornblower and the hotspur '' .