Question

Haydn __________. wrote only operas and oratorios was poor and unknown throughout his lifetime worked for a royal family (the esterházys) lived in london for most of his life and composed for king george's funeral

Answer 1

Franz Joseph Haydn was an Austrian composer who was creating classical music during the 18th century. He is called the 'Father of the Symphony' and 'Father of the String Quartet' and he made a great influence on other composers.
worked for a Royal family. The royal family  were the Esterhazys. 

Answer 2

The answer is dworked for a royal family (The Esterhazys).
This happen after Count Morzin suffered financial difficulties which forced Haydn out of job.
Not long after that, his talent was discovered by the wealthy Esterházy family and Haydn spent the majority of his career working for them.