Ancestry has actual baptism records on view (and should eliminate these two children from your family tree)

These two baptisms (I think) belong to:

1901 Census, Deptford

Samuel PRITCHARD - 42 General Iron Plate Worker - born Staffs Wolverhampton
Louisa - 42 - born ditto
Samuel - 15 - born Deptford
Louisa - 12 - born Deptford
William - 10 - born Deptford

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1891 Census, St Paul, Deptford

PRITCHARD

Samual - 32 - Iron Plate Worker, born Wolverhampton
Louisa - 32 - born ditto
Samuel E - 5 - born Deptford
Louisa E - 2 - born Deptford
William G - 4 - born Deptford
Henry SILLITOE - Brother-in-law age 22, born Wolverhampton

FreeBDM: Marriage Wolverhampton District J/A/S Qtr 1883, Samuel PRITCHARD + Louisa SILLITOE

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Deptford St Luke

28 March 1886

Samuel Edward Dolphin PRITCHARD, parents Samuel & Louisa - address: 155 Evelyn Street,

Samual's occupation: Iron Plate Worker

and christened 28 July 1889 - born 15 January 1889

Louisa Elizabeth PRTICHARD, parents Samuel & Louisa - address : 155 Evelyn Street

Samual's occupation: Iron Plate Worker