OK now we know!
Two marriages to look into:-
James Bridgman married a Jane Friend 16th June 1818 Kingston upon Thames
George Seaman married an Eliza Mcree/Mcrae June qtr 1863 St George in the East
1841 census:-
James Bridgman 50 occ Grocer
James 17
Jane 50
Henry Muggeridge 25
Residing at Normans Place, Lambeth
Census ref HO107/1056/ 6/41 / 33
1871 Census:-
George Seaman 42 occ Grocer and Shopkeeper b Sutton
Eliza 25 b Bethnal Green
William H 7 b Mile End
Alfred 5 b Stepney
Helen 3 b Hackney
Residing at Low Street, North Tuddenham, Mitford, Norfolk
Census ref RG10/1844/85/16
From my findings the Muggeridge family have links to at least the Seaman family?
Keyboard86
EDIT Possibly another earlier marriage for George Seaman:-
George Seaman to Rebecca Langley 30th May 1853 Upton, Buckinghamshire
Father's John Seaman, George Langley
1861 census:-
George Seaman 35 occ Junior Clerk b Sutton
Rebecca 27 b Burnham
George Henry 4 b Eton
Residing at Upper George Street, Stepney
Census ref RG09/286/109/10
Baptism George Henry Seaman 17th May 1857 Eton, the birth registration of George Henry Seaman shows mmn Buckland, in 1841 Rebecca Langley aged 8 is with a Jeremiah Buckland and "Wife" Francis/Frances, the baptism of Rebecca was as Rebecca Langley 23rd September 1832 Burnham Mother Frances Langley
Death Rebecca Seaman September qtr 1862 Stepney 1c 369 aged 30
A John Seaman Batchelor married a Susannah Muggeridge Widow 14th May 1826 St Luke, West Norwood