Sentence 1: Acheson 's mother Alice was a painter , and his grandparents maternal were Jane C. Stanley , a railroad lawyer and Louis Stanley , was an aquarellist .
Sentence 2: Acheson 's mother Alice was a painter , and his maternal grandparents were Jane C. Stanley , a railroad lawyer and Louis Stanley , was a watercolorist .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?