After considerable research, William was the son of Mary (Polly) Hollars. Polly married Jacob Townsend after his first wife died. 1850 census. Polly and Jacob had three children, Mary Emmaline (Polly) who married Timothy Townsend, Henry Franklin who married Harriet Emmaline Townsend, and James Dudley who married Maryann ? I believe she was a Davis however have no documentation. William Hollar married Susan Mitchell.