How many sisters does Olivia Newton-John have?
Newton-John was the youngest of three children. She had one elder sister, Rona Newton-John.
Rona Rona was an actress in the 1960s and ’70s and was married to Olivia’s Grease co-star Jeff Conaway from 1980 to 1985. Conaway died in 2011.
She was born in 1941 and died in 2013 after she had been diagnosed with brain cancer. Rona died of a very aggressive brain tumor and mercifully suffered no pain. She was survived by her four children – Fiona, Brett, Tottie, and Emerson.
following her brother Hugh (1939–2019), a medical doctor, and her sister Rona (1941–2013), an actress who was married to Olivia’s Grease co-star Jeff Conaway from 1980 until their divorce in 1985.
Source: Ghanafuo