"Jean-Gabriel-Honoré Greppo (3 September 1788, in Lyon – 22 September 1863, in Belley) was a French canon remembered for his research in the fields of archaeology ...
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and Oriental studies. He was related to canon Jean-Baptiste Greppo (1712–1767), known for his archaeological investigations of ancient Lyon." - (en.wikipedia.org 18.04.2021)
