Hollywood star George Clooney’s elder sister, Adelia “Ada” Zeidler, passed away at the age of 65 on Friday, December 19. She had been suffering from cancer for an extended period, as per People. According to her obituary, she died “peacefully, surrounded by the people she loved.” Ada Zeidler was George Clooney’s elder sister.(Metcalfe-Hennessey Funeral Home) Ada breathed her last at St. Elizabeth Healthcare in Edgewood, Kentucky. Her funeral will take place on Monday, December 22. Also read: Kim Woo-bin and Shin Min-a marry in Seoul after a decade-long relationship; first pic out Who was Ada Zeidler? People reports that Clooney’s elder sister was born on May 2, 1960, to TV host Nick Clooney and writer Nina Bruce Warren. She got married to a retired Army captain – Norman Zeidler – on March 14, 1987. Her aunt, famous singer Rosemary Clooney, performed at her wedding while her brother George read scripture. Norman predeceased his wife and passed away in 2004. The couple had two children – son Nicholas and daughter Allison. According to Page Six, Zeidler …