Samuel Sebastian Wesley (14 August 1810 – 19 April 1876) was an English organist and composer. Wesley married Mary Anne Merewether and had 6 children. He is often referred to as S.S. Wesley to avoid confusion with his father Samuel Wesley.Born in London, he was the eldest child in the composer Samuel Wesley's second family, which he formed with Sarah Suter having separated from his wife Charlotte. Samuel Sebastian was the grandson of Charles Wesley. His middle name derived from his father's lifelong admiration for the music of Bach.