Have you got 1841 -61 census for james and Diana?
Full census if you require
1841 they have children with them William 10, Thomas 7, James 4, John 1 all b Radnorshire
HO107 1457 3 6
1851 Josiah 10, George 6, Septimus 4, Margaret 3 all b Norton
HO107 2492 467 24
1861
Joseph age 20(think this is Josiah from 1851) b. Norton, Margaret 13 (described as "Granddaughter" in this census) b.Norton, Edward 8 b.Presteigne
Edward and Dianna although they lived in Norton Village did not give p.o.b. as Norton in any census
Suz