Complex sentence: The Barbaro Albergo supported the Sculoa Grande of the Chiesa di San Rocco di Venezia, which primarily assisted citizens in time of plague, and the Sculoa's Sala dell'Albergo functioned as the conference room for the members of the confraternity's Albergo.
Split into simpler sentences: The Barbaro Albergo supported the Sculoa Grande of the Chiesa di San Rocco di Venezia, which primarily assisted citizens in time of plague. The Sculoa's Sala dell'Albergo functioned as the conference room for the members of the confraternity's Albergo.