From childhood, Lannuier was influenced by his older brother, Nicolas-Louis-Cyrille Lannuier, and an uncle, Jean-Baptiste Cochois, successful cabinetmakers selling furniture in pre-Revolutionary Paris. Both relatives contributed to Lannuier's training as an ébéniste (furniture maker).
From childhood, Lannuier was inspired by his older brother and uncle, who were successful cabinetmakers selling furniture in pre-Revolutionary Paris. Both relatives played a role in Lannuier's development as an ébéniste (furniture maker).