Sentence 1: The son of Wu Xiang , Wu Sangui , was the commander of Shanhai Pass , the last major obstacle between Manchu and Beijing .
Sentence 2: Wu Sangui 's son Wu Xiang was the commander of Shanhai Pass , the last major obstacle between the Manchus and Beijing .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?