![Zara Tindall and Peter Phillips' rarely seen sister who grew up on same estate](https://cdn.newsserve.net/ONPglobe256.png)
Zara Tindall and Peter Phillips' rarely seen sister who grew up on same estate
Zara Tindall and Peter Phillips have a 'secret' sister who was raised on the same estate as them - but Stephanie Phillips is rarely seen at royal events.
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