Death Recently installed in Provence in his capacity as commander of the Mediterranean fleet, he died in 1566, a heavy blow for the Guise family. In the wake of his death the young Duke of Guise and Charles, Duke of Mayenne decided to depart the country, going on Crusade in Hungary. Sources References Rene of, Marquis of Elbeuf Rene of, Marquis of Elbeuf People from Haute-Marne Marquesses of Elbeuf 16th-century French people Ambassadors of France to Scotland 16th-century French diplomats French people of Lorrainian descent