Sentence 1: He married Agnes Theodora Walther , the daughter of Vilhelm Theodor Walther ) , in 1881 and his son is the botanist and sketch artist Vagn Petersson .
Sentence 2: In 1881 , he married Agnes Theodora Walther , daughter of Vagn Petersson , and his son is the botanist and sketch artist Vilhelm Theodor Walther .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?