Trying to find a marriage with very little information

[heywood]

In 1851 1707 /40/28

Relationships are to the head of the household so William is described as father in law to James Freeman.
The girls are described as nieces to James.

1841 443 /3/1
No relationships in this census
William, Jane and Emily are together plus Joseph, 15 yrs.

There are other Robinsons on the same page who may be related.

[heywood]

You could purchase Martha’s birth certificate to check for her mother.
You can purchase a digital copy for £3.00

https://www.gro.gov.uk/gro/content/certificates/login.asp