Sentence 1: Hay was the oldest son of George Hay , 8th Earl of Kinnoull , and Abigail , daughter of Robert Harley , 1st Earl of Oxford and Earl Mortimer .
Sentence 2: Hay was the eldest son of Robert Harley , 8th Earl of Kinnoull , and Abigail , daughter of George Hay , 1st Earl of Oxford and Earl Mortimer .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?