sister Tracy Peacock has died after a seven-year battle with cancer.The Sherlock star, 45, revealed his devastating news for the first time that his elder sister who he described as "brilliant" had died of the "horrible" illness.Tracy was 62-years-old and the public did not know the artist, better known as "Tracks" had been ill or passed away.The actor who is starring in the new Hollywood Blockbuster Spider-Man: No Way Home, paid tribute to his "gifted" and "different" sister.He said: "She died of cancer."She'd been battling it for seven years.""As the greatly awful Donald Rumsfeld said, "stuff happens".
It's horrible."Tracey leaves behind a husband and a 34-year-old daughter Emily.Cumberbatch continued: "She was nothing to do with this.
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