Simplify the following text for a Grade 6 native English-speaking person.
Original: Francis Jean Marcel Poulenc ( ( 7 January 1899 - 30 January 1963 ) was a French composer and a member of the French group Les Six .
Simplified: Francis Poulenc ( 7 January 1899 in Paris â `` 30 January 1963 in Paris ) was a French composer . He was one of the group of six composers who became known as Les Six .