Sorry! bit more confused now!!

Found this John Watkins in 1871
RG10 5299 79 21
Name Age
Alice Jones 5
Elizabeth Jones 7
Mary A Jones 25
William Jones 10
Charles Trehern 26
Emma Verinder 36
Frederick W Verinder 9
John Watkins 20 lodger - born Bream Eaves

My John, according to his age on each census and using Tom Nunamaker's census calculater, was born -
1852 Tue 06 Apr Earliest Possible birthday
1853 Tue 05 Apr Last Possible birthday

http://toshop.com/censuscalc.cfm

I know his father was William as on marriage cert to Sarah Ward.

Could this one be my John and not the son of William and Lucy as I first thought.

How can I prove I have William and Lucy as right parents?

Yikes!!

Simone x