FreeREG has the baptisms at Huish Episcopi of
Mary Anne, b.25 Oct 1842, bapt. 24 Jan 1847
Sidney John b. 16 Sep 1845, bapt. 24 Jan 1847
Herbert Walter, b. 16 Feb 1851, bapt. 22 Apr 1857, buried 19 Jun 1857
Herbert Walter, bapt. 21 Dec 1859
and, rather oddly, Ruth, b 2 May 1842, bapt. 23 Sep 1866
all children of Martha Wheller, singlewoman.
There are some notes attached which may be of interest.
David
PS. Martha's father was Walter, not William.
She appears to have married a widower Henry Thorne in 1868.