Haydn was fortunate in having a long and fruitful, as well as financially stable, relationship with the noble hungarian family of

The answer is "Hungarian family of Esterhazy".

Esterházy is a Hungarian honorable family with sources in the Middle Ages.Since the seventeenth century, they were among the considerable landowner magnates of the Kingdom of Hungary amid the time it was a piece of the Habsburg Empire and later Austria-Hungary. They got the title of tally in 1626.

The  frame of government of pennsylvaniawas a constitution for the  province of pennsylvania a  proprittarycoony granted to  william penne by  charles ii of england. the frame of government has lasting historical importance as an important step in the  development of american and world democracy.