Heres the family in 1841 and 1851.
1841 Stretham,Thetford,Isle of Ely,Cambs HO107/83/12.
Charles Martin,35,Ag Lab,Y.
Elizabeth Martin,30,Y.
Henry Martin,12,Y.
Edward Martin,11,Y.
Charles Martin,9,Y.
Julius Martin,6.Y
Robert Martin,4.Y.
1851 Fen,Swaffham Prior ,Cambs.
HO107 Piece 1762 Folio 241 Page 1.
Charles Martin,Head,49,Ag Lab,Barway? Cambs.
Phoebe Martin,Wife,44,Over Cambs.
Charles Martin,Son,19,Ag Lab,Isle of Ely,Thetford.Cambs
Julius Martin,Son,17,Ag Lab,Isle of Ely,Thetford.
Robert Martin,Son,14,Ag Lab,Isle of Ely,Thetford
William Martin,Son,9,Isle of Ely,Thetford.
Best Wishes Welsh Lady