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).
Lannuier was shaped by his older brother, Nicolas-Louis-Cyrille Lannuier, and an uncle, Jean-Baptiste Cochois, both successful cabinetmakers who sold furniture in pre-Revolutionary Paris. Both relatives played a role in Lannuier's development as an ébéniste (furniture maker).