George Michael’s sister died on Christmas Day – on the three-year anniversary of the popstar's own tragic death.
Melanie Panayiotou, 55, was found at her home in North London, by her older sister Yioda.
It is understood Melanie had suffered a short illness before she passed away in hospital early on Wednesday evening.
GEORGE MICHAEL THROUGH THE YEARS
Yioda called 999 and an ambulance attended.
Police were called as a matter of routine and established there were no suspicious circumstances.
Melanie's family have asked for "privacy" in a statement through their lawyer, John Reid.
FORMER WHAM SINGER GEORGE MICHAEL DEAD AT 53
Mr. Reid said: "We can confirm that very tragically Melanie has passed away suddenly.”
“We would simply ask that the family's privacy be respected at this very sad time."
Music icon George died aged 53, of natural causes at home in Goring-on-Thames, Oxfordshire, on Dec. 25, 2016.
GEORGE MICHAEL CAUSE OF DEATH REVEALED
An inquest later revealed had died from heart failure and liver disease.
The troubled star left most of his £97.6million estate to Melanie and his other sister Yioda.
George was particularly close to Melanie, a hairdresser, who traveled the world with him at the height of his fame.
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A source said his family were “absolutely devastated” at her death.
This article originally appeared in The Sun.