The Apprentice legend Lord Alan Sugar has confirmed the passing of his sister 'from Covid' - tragically just two weeks after his brother also died.Taking to Twitter, Lord Sugar, 73, tweeted: "My eldest sister Shirley passed away today at the age of 88 she had been sick for a while but I guess covid got her in the end to join our brother Derek who passed 2 weeks ago."He signed off the post: ""RIP SHIRL."Over 71,000 have now died within 28 days of a positive Covid-19 test in the UK.The business tycoon's brother Derek died on December 15.While Derek suffered from underlying health problems coronavirus is believed to have complicated the situation.