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Nicolas-Henri Tardieu , called the `` Tardieu the elder '' , -LRB- 18 January 1674 - 27 January 1749 -RRB- was a prominent French engraver , known for his sensitive reproductions of Antoine Watteau 's paintings .. Antoine Watteau. Antoine Watteau. He was appointed graveur du roi -LRB- King 's Engraver -RRB- to King Louis XV of France .. Louis XV of France. Louis XV of France. His second wife , Marie-Anne Horthemels , came from a family that included engravers and painters .. She is known as an engraver in her own right .. Nicolas-Henri and Marie-Anne Tardieu had many descendants who were noted artists , most of them engravers .