Sentence 1: One of the greatest landowners in Saint Mary at the turn of the 20th century was Chris Blackwell , the mother of Blackwell .
Sentence 2: One of the largest landowners in Saint Mary at the turn of the 20th Century was Blanche Blackwell , mother of Chris Blackwell .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?