In 1777 Monge married Cathérine Huart and, since his wife had a forge, he became interested in metallurgy in addition to his wide range of mathematical and scientific interests.
Sa 1777 Monge kasal Catherine Huart at, dahil ang kanyang asawa ay isang pandayan, siya ay naging interesado sa metalurhiya sa karagdagan sa kanyang malawak na hanay ng matematika siyensiya at interes.