Complex sentence: The situation was further complicated a century later when Saint Colette of Corbie, restored the primitive rule of strict poverty to 17 French convents, her followers coming to be called the Poor Clares of Saint Colette (P.C.C.) or Colettine Poor Clares.
Split into simpler sentences: The situation was further complicated a century later when Saint Colette of Corbie restored the primitive rule of strict poverty to 17 French convents. Her followers came to be called the Poor Clares of Saint Colette (P.C.C.) or Colettine Poor Clares.