Could I have help on the John family please?

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Charlotte John/Wagener in 1871

Name:   Charlotte John
Age:   52
Estimated birth year:   abt 1819
Relation:   Head
Gender:   Female
Where born:   Ireland
Civil Parish:   Llanover Upper
Ecclesiastical parish:   Blaenavon and Llandaff
Town:   Blaenavon
County/Island:   Monmouthshire
Country:   Wales
Registration district:   Abergavenny
Sub-registration district:   Blaenavon
ED, institution, or vessel:   9
Household schedule number:   105
Piece:   5314
Folio:   15
Page Number:   23
Household Members:   
Name   Age
Charlotte John   52
William John   24
Mary John   18
Charlotte John   12
Lewis John   16

Charlotte is a widow.  There is a death in 1870 for a Philip John age 50 which looks correct:

Deaths Mar 1870 

John    Philip    50    Abergavenny    11a   54

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