This man had a brother named Johann Michael, who was also a notable composer. This  composer's two oratorios are called The Seasons and The Creation. This composer's string quartets are compiled into groups such as "Erdody" and "Sun," and because he wrote many of  them, he is often called the "Father of String Quartets." This composer wrote over 100  symphonies, including 
This man had a brother named Johann Michael, who was also a notable composer. This  composer's two oratorios are called The Seasons and The Creation. This composer's string quartets are compiled into groups such as "Erdody" and "Sun," and because he wrote many of  them, he is often called the "Father of String Quartets." This composer wrote over 100  symphonies, including ones nicknamed "Clock," "Surprise," and "Farewell." For 10 points,  name this Austrian composer often called the "Father of the Symphony."
This man had a brother named Johann Michael, who was also a notable composer.
Franz Joseph Haydn