Bing found these results
Olivia Newton-John's Sister Rona Dies - People.com
Rona Newton-John - Biography - IMDb
Rona Newton-John - IMDb
Rona Newton-John, Olivia's Sister, Dies Of Brain Cancer
Mother, model was much more than 'Olivia's older sister'
Olivia Newton-John's sister succumbs to cancer - USA TODAY
Rona Newton-John Dies At 70 From Brain Cancer; Sister Olivia Says 'I ...
Olivia Newton-John's Sister Rona Dead After Brain Cancer Battle
Olivia Newton-John's older sister Rona dies of cancer
Olivia Newton-John pays tribute to sister Rona Newton-John