Looking for My Sister IN New Zealand

Hi ,
My name is Michael Whitwell and i am trying to locate my sister in new zealand who i have not seen for years,
Her Husband is called Paul fussey Emigrated to New Zeland many years ago,from Kingston Upon Hull Which is in the Uk.
Our mother was called Anne Whitwell Our Fathers name was Jack our other sisters are Margaret ,Catherine,Barbra,
The Sister iam looking for Her married name is carol fussy ,her name before marriage Carol Whitwell,we lived on Hessle Road in Hull our BROTHERS NAME WAS GORDON.

Hope that someone can help
Best Regards
Michael Whitwell

I forgot to say we in our sixties