Luynes, Charles d'Albert, duc de, 1578-1621, constable of France, minister and favorite of King Louis XIII. With the king's collaboration he caused the assassination of Concino Concini (1617), took over the government, and forced Marie de' Medici into exile. His power was twice threatened (1619, 1620) by the activities of Marie and her partisans among the nobles. He became constable in 1621 and shortly afterward died while on a campaign against the Protestants of Béarn.