His father, from a family that originated in Guyenne, was an intimate of King Henry IV of France[1] As a child Henri de Buade was a playmate of the future king Louis XIII.
It is said that one day when King Henri IV was in poor health, he had the two boys stage a fight on his bed to amuse him.
[3] His father Antoine arranged for Henri to marry Anne Phélypeaux in 1613.
His heart was removed, sealed in a lead box, and buried in the church at Palluau.
[1] Henri's son Louis later became Lieutenant General of the colony of New France in North America.