'It is impossible to imagine a world without Cindy': Family of Kiwi Dreamworld victim Cindy Low speak of their loss

The family of the Kiwi mum killed at Dreamworld have spoken of their struggle since the tragedy.

Former Kawerau woman Cindy Low was one of four people who died when a six-person raft on the Thunder River Rapids ride flipped on a wooden conveyor belt. The 42-year-old's son Kieran, 10, and another child were thrown clear and survived.

In a statement, Low's family said they were struggling to "put one foot in front of the other", the Sydney Morning Herald reported.

Flowers at Dreamworld on the Gold Coast. Photo / AP

"We have spent every day trying to put one foot in front of the other, and it is extremely hard," they said.

"It is impossible to imagine a world without Cindy, our beloved daughter, partner and mother to Kieran and Isla. It is going to take us a long time to find our way, so we ask media to respect our need for privacy as we come to grips with this, especially as we farewell Cindy."

Low had lived in Australia with her husband, Mathew, for more than a decade. Her family, including her parents and sister, flew from New Zealand and visited Dreamworld last week to see tributes left for the dead.

Her sister left a bunch of flowers on behalf of "K Town", and thanked "all the caring people of Oz" for the tributes, the Sydney Morning Herald reported.

"No words can say how emotional this is. I love you my beautiful sister," she posted publicly online along with photos of the tributes.

Queensland Emergency service personnel are seen at amusement theme park Dreamworld. Photo / AP

Low, who lived in the New South Wales town of East Gosford, will be farewelled in a private funeral at Palmdale, on the Central Coast, tomorrow.

In a funeral notice published in the Sydney Morning Herald, Low was described as a "dearly cherished wife and soul mate" to husband Mathew and a "devoted mother" to Kieran and 6-year-old Isla.