Original: Andrea Guarneri (c. 1626 - 7 December 1698) was an apprentice in the workshop of Nicolo Amati from 1641 to 1646 and returned to make violins for Amati from 1650 to 1654.
Simplified: Andrea Guarneri (c. 1626 - 7 December  1698) was a pupil in the workshop of Nicolo Amati from 1641 to 1646 and returned to make violins for Amati from 1650 to 1654.