Sentence 1: Their daughter Lady Montagu Corry married Henry Lowry-Corry and was the mother of Harriet Anne , 1st Baron Rowton .
Sentence 2: Her daughter Lady Montagu Corry married Henry Lowry-Corry and was the mother of Harriet Anne , 1st Baron Rowton .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?