Olivia and George married in a private ceremony in September 1978 at the Henley - on - Thames Register Office in England .
Arias gave birth to the couple 's son , musician Dhani Harrison , in August 1978 .
Arias and George married in a private ceremony in September 1978 at the Henley - on - Thames Register Office in England .
Arias gave birth to the couple 's son , musician Dhani Harrison , in August 1978 .