(Sir Theodore de), baron of Aubone, was the son of Lewis de Mayerne, the celebrated author of The general history of Spain, and of the Monarchie aristocratico-democratique, dedicated to the states-general. He was born in 1573, and had for his godfather Theodore Beza. He studied physic at Montpelier, and was made physician in ordinary to Henry IV. who promised to do great things for him provided he would change his religion. James I. of England invited him over, and made him first physician to himself and his queen, in which office he served the whole royal family to the time of his death in