Complex sentence: Albergati was employed as an ambassador by several popes; in that capacity he visited France and several of the other Italian states, and for his efforts was made cardinal of Santa Croce in Gerusalemme in 1426.
Split into simpler sentences: Albergati was employed as an ambassador by several popes; in that capacity he visited France and several of the other Italian states. For his efforts was made cardinal of Santa Croce in Gerusalemme in 1426.