premise: Francis I of France was also known as a very bad harmony singer.
hypothesis: Francis I ( François Ier ) ( 12 September 1494 -- 31 March 1547 ) was the first King of France from the Angoulême branch of the House of Valois , reigning from 1515 until his death . He was also known as François au Grand Nez ( `` Francis of the Large Nose '' ) , the Grand Colas , and the Roi-Chevalier ( the `` Knight-King '' ) for his personal involvement in the wars against his great rival the Holy Roman Emperor and King of Spain Charles V.