Sentence 1: Sir Martin ( or Roger Martyn ) was a mercer and Lord Mayor of London in 1567 ; he was also Sheriff of London in 1559 .
Sentence 2: Sir Martin ( or Roger Martyn ) was a Mercer and Lord Mayor of London in 1567 , and in 1559 he was Sheriff of London .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?