an Entity references as follows:
"La veuve Boivin" (1704 – 13 February 1776) real name Élisabeth Catherine Boivin, widow of François Boivin and Jean-Christophe Ballard's daughter, was an 18th-century French music publisher in Paris. The music publishing house was founded in 1721 by François Boivin (circa 1693-1733) and his uncle, Michel Pignolet de Montéclair. It was located rue Saint-Honoré, under the banner "À la Règle d’Or" (at the Golden Rule). At the death of François Boivin, his widow took over the management of the company.