Sentence 1: His brother was the author Giovanni Filoteo Achillini , and his great nephew , Claudio Achillini ( 1572-1640 ) , was a lawyer .
Sentence 2: His brother was the author Giovanni Filoteo Achillini , and his grandnephew , Claudio Achillini ( 1572-1640 ) , was a lawyer .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?