Not a family member but this info might help:
________________________________________________________
NZ Marriage:

Year 1909
Folio 4402
Surname JONES
Given Names Annie Rosena Maude
Sex F
Spouse BROWN Charles Pollard
__________________________________________________________
NZ Marriage:
Year 1920
Folio 05521
Surname JONES
Given Names John Marshall
Sex M
Spouse CORNFORD Grace Winifred
___________________________________________________________
NZ Marriage:
Year 1924
Folio 09498
Surname JONES
Given Names Christena Florence
Sex F
Spouse CARSTON Charles Nathaniel
___________________________________________________________
NZ Marriage:
Year 1932
Folio 06588
Surname JONES
Given Names Vera May
Sex F
Spouse CAWLEY Leonard
___________________________________________________________

If you use the www.bdm.govt.nz you can find the death dates
for your family members