Complex sentence: Giunta Pisano (also named Giunta da Pisa or Giunta Capitini) was an Italian painter, he is the earliest Italian painter whose name is found inscribed on an extant work.
Split into simpler sentences: Giunta Pisano (also named Giunta da Pisa or Giunta Capitini) was an Italian painter. He is the earliest Italian painter whose name is found inscribed on an extant work.