New Delhi, Dec. 21 -- George Clooney's sister, Adelia "Ada" Zeidler, passed away on Friday, 19 December. According to People, Ada died after a battle with cancer. She was 65. "My sister, Ada, was my hero," Clooney said in a statement to the publication. "She faced down cancer with courage and humor. I've never met anyone so brave. Amal and I will miss her terribly," he added.

Ada passed away peacefully at St. Elizabeth Healthcare in Edgewood, Kentucky, surrounded by family and loved ones, her obituary states.

Born on 2 May, 1960, in Los Angeles, Ada was the daughter of journalist and television host Nick Clooney and writer Nina Bruce Warren. She was named after her great-grandmother, a detail her family always held close.

Her obituary ...