This looks like their marriage Samuel Groom to Martha Lockley in Qtr Dec 1866 Gt Broughton(From Free BMD)
And this looks like Samuel with his parents in 1851
St Oswald,Chester,Cheshire
H0107 Piece 2172 Folio 24 Page 41
Thomas Groom,Head,37,Brazier
Frances Groom,Wife,35
William Groom,Son,9.
Mary Groom,Dau,11
Samuel Groom,Son,8
Sarah Groom,Dau,7
John Groom,Son,5.
Margaret Barnett?,Lodger,34
Joseph Barnett?,Son,8
All born Chester,Cheshire
Possible marriage Thomas Groom to Frances Nield in Qtr Dec 1837 Great Broughton(Free BMD)
Best Wishes Welsh Lady