Sentence 1: A grandson of Henry Dennis was Frederick Herbert Wood Mus.Doc , organist of Blackpool Parish Church from 1918 to 1963 .
Sentence 2: A grandson of Henry Dennis was Frederick Herbert Wood Mus.Doc , who was organist of Blackpool Parish Church from 1918 until 1963 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?