Thinking about the marriage witnesses..
Sarah Pond Bird
widow, late of 76 Daneville Road, Camberwell
Died 18 Nov 1881
Probate 13 Dec 1881
Estate £330 17s 6d
And 1881 Census
76 Daneville Road
Sara Bird Aged 71 Head (widow) Retired Waistcoat maker born Essex, Hornden
Elizabeth Mot aged 61 Sister (unmarried) occ: ditto born Essex, Hornden
RG11 / 673 / 139 / 67
and in 1841
Horndon on the Hill, Essex
All born in county
John Mott age 77 tailor
Alice Mott 26
Harriott Mott 22
Thomas Mott 23 journeyman
Elizabeth Mott 21
and
Sarah Bird 31
Alfred 10
Walter 2
Edgar 6m
Could William be the brother/son of this family?
Milly