In 1376, Datini entered an engagement with Margherita Bandini, the daughter of Domenico Bandini and Dianora Gheradini. Margherita was living in Avignon with her mother after her father was executed for his role in an anti-republican plot and her brothers were exiled.[3][4] The couple returned to Prato to live in 1383, where his business continued to thrive.