[1] He inherited the title of royal silversmith and sculptor to the King of France from his father, Thomas Germain.

In 1765, Germain broke guild regulations by working with financiers to receive some debts owed to him, as he was only allowed to enter into partnerships with his fellow smiths.

Germain died out of the public eye in 1791, the last member of his distinguished family to serve as a royal smith.

Curiously enough, due to the French Revolution and other hazards of history, the biggest portion of his production now belongs to countries other than France—namely Portugal and Russia.

A fictionalized version of Germain appears in the 2014 video game Assassin's Creed Unity, as a member of the Templar Order and the main antagonist.