Joanna was born on 19 JAN 1950 in Waipawa, New Zealand, the daughter of unknown parents.
Her husband was Nicolaas Johannes Voorendt, who she married on 31 MAR 1973 in Havelock North, New Zealand. Their four known children were Ingrid Jean (1974-), Anja Louise (1976-), Heidi Johanna (1980-) and Saskia Alice (1982-).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 19 JAN 1950 |
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