sentences:  These early villas as in the case at both Careggi and Villa Medicea di Cafaggiolo were the result of the complete rebuilding of existing Medici castles.The Villa Medicea di Cafaggiolo's origins date from the 14th century.The "fortezza" that belonged to the Republic of Florence in 1349 was already known as "Cafaggiolo de' Medici" by 1359, when it was the property of Averardo de' Medici (died 1363).