Jean du Thiers, seigneur de Beauvoir (died 1559) was Minister of Finance for Henry II of France, and a Secretary of State.
He was a great humanist and protector of the poet Joachim du Bellay and Pierre de Ronsard.
He bought the Château de Beauregard, Loire Valley, in 1545, for 2,000 gold ecus.
From 1553, he appealed to many foreign artists who were working for King Henry II.
Francesco Scibec da Carpi carved woodwork of the study, "the Cabinet of Jingle Bells" at the foot of the windows of the south wing.