This French nobleman was a member of a cadet branch of the House of Metz which was inherited after the death of duke Nicholas I in what year?
Gaston, Count of Marsan: Gaston de Lorraine (Gaston Jean Baptiste Charles; 7 February 1721 – 2 May 1743) was a French nobleman and member of a cadet branch of the House of Lorraine. House of Lorraine: The House of Lorraine (German: "Haus Lothringen" ) originated as a cadet branch of the House of Metz.
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