Guy de Lasteyrie (1879-1944)
Guy-Louis-Jules de Lasteyrie du Saillant, Marquis de Lasteyrie du Saillant
He was a great-great grandson of the French hero of the American Revolutionary war, the Marquis de Lafayette. He died without issue by either of his wives.
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Contributed by Mark Meredith on 05/08/2019 and last updated on 18/03/2021.