Hazel Hawke, ex-wife of former Prime Minister Bob Hawke, has died aged 83, following a battle with dementia.

Her family issued a statement on Wednesday night saying she passed away peacefully after succumbing to complications of the disease.

Her family said they appreciate the great affection many have for Hazel, but have asked for privacy.

There will be a private funeral for family and close friends.

A memorial celebration of her life will be held later at a time and place

to be advised, the statement said.