Charles-Gustave de Falkenhayn explained

Charles-Gustave de Falkenhayn (14 July 1724 - 1793 or later^[1]) was a French general of German ancestry.

He became a colonel in the Regiment Royal-Pologne in 1754 and commanded the Regiment de Baviere from 1762. He was promoted to brigadier in 1762 and marechal de camp in 1770. He was second-in-command of the Franco-Spanish Invasion of Minorca in 1781 and also came into contact with Benjamin Franklin in 1783.^[2]

Notes and References

1. https://books.google.com/books?id=_ifU0rLFZ8UC&dq=%22Charles-Gustave+de+Falkenhayn%22&pg=PA9 Andreas Georg Waehner, Sigrid Dahmen, Tagebuch aus dem Siebenjährigen Krieg, 2012, page 9, footnote 47
2. https://books.google.com/books?id=iyvRc2lnw90C&dq=Charles-Gustave+de+Falkenhayn+minorca&pg=PA340 Ellen Cohn (ed.), The Papers of Benjamin Franklin: January 21 through May 15, 1783, pages 339-340