Complex sentence: Bernard Palissy (~ 1510-1590), French potter, is said to have been born about 1510, either at Saintes or Agen, but both date and locality are uncertain.
Split into simpler sentences: Bernard Palissy (~ 1510-1590) was a French potter. He is said to have been born about 1510, either at Saintes or Agen, but both date and locality are uncertain.