"[J.G. Huquier] married Anne-Louise, the daughter of the engraver Jacques Chéreau. She brought a dowry of 10,000 livres, mostly in stock in the business at rue Saint-Jacques, “au Grand Saint-Rémy”, and for the next three years with Huquier fils and Chéreau collaborated as engravers and printsellers."
Online source.
By 1772 Huquier had abandoned his family and emigrated to England.