Original: George Gordon Byron , 6th Baron Byron , later George Gordon Noel , 6th Baron Byron , FRS ( 22 January 1788 -- 19 April 1824 ) , commonly known simply as Lord Byron , was an English poet and a leading figure in Romanticism .
Simplified: George Gordon Byron , 6th Baron Byron ( 22 January 1788 -- 19 April 1824 ) is commonly known as Lord Byron .