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