The page said he had spent the past five years in prison paying for his bad decisions and had worsening emphysema that meant he relied on oxygen when it was available.
"My brother Greg has had a difficult life and thus made some not so great decisions leading eventually to his demise," the page said.
"Yesterday, I received, as his nominated next of kin, the sad news that he has passed away and had posthumously tested positive for Covid-19."
Harland-White's family want to bring him back to New Zealand - with costs raised from the Givealittle page going towards cremation and repatriation costs.