Looks likely to me 1851 he is born c 1790 Bath
Childrens Baptisms were;
Parish Church-St Woolos, Newport;
SUSAN, 28 Feb 1819
STEPHEN, 13 Jan 1822
ROBERT, 13 Jan 1822
THOMAS, 4 Oct 1825
ROBERT, 23 July 1826
Pillgwennly-Commercial Road, Newport
ELIZABETH, 1830, no exact date given
WILLIAM, 27 Jan 1831, Birth 18 Jan 1831
All above on FreeREG, cant find all of the Children, from 1841 Census;
Elizabeth 1828/Martha 1836/George 1838
Trees have the Marriage 1815 Gloucestershire and a couple of earlier Children to Samuel/Elizabeth
Saml WATKINS Married Martha NICHOLS, 27 Aug 1781, St James, Bath, Somerset
Bachelor/Spinster
(FreeREG)
Childrens Baptisms same Church;
SARAH, 9 June 1783, possibly buried 22 Dec 1784, no age given
SARAH MARIA, 13 June 1785
MARTHA, 4 March 1787
SAMUEL, 1 June 1789 as found by Suz
(FreeREG)
Martha Jnr may have married Silas MATTHEWS, 25 May 1806
(FreeREG)