George Clooney Mourns Sister Adelia Zeidler, Calls Her ‘Hero’

URGENT UPDATE: George Clooney is mourning the loss of his beloved sister, Adelia “Ada” Zeidler, who passed away at the age of 65 after a courageous battle with cancer on December 19, 2025. In an emotional statement to PEOPLE, Clooney hailed Ada as his “hero,” citing her incredible bravery and humor throughout her illness.

Ada’s obituary reveals that she died peacefully, surrounded by her family. Clooney shared, “She faced down cancer with courage and humor. I’ve never met anyone so brave. Amal and I will miss her terribly.” This heartfelt tribute underscores the profound impact Ada had on her loved ones.

A talented artist and educator, Ada dedicated several years to teaching elementary art at the Augusta Independent School. She was recognized as a National Merit Scholar in high school and was active in her community, participating in a local book club and serving as a member of the Augusta Art Guild. Her obituary also noted her role as a past grand marshal of Augusta’s Annual White Christmas Parade.

Ada’s life was largely private, yet she made significant appearances at key moments in George Clooney’s life, including his wedding to Amal Clooney in Venice, Italy, on September 27, 2014. Her legacy continues through her children, Nick Zeidler and Allison Zeidler Herolaga, along with several family members who will cherish her memory.

The funeral for Adelia Zeidler is scheduled for Monday, December 22, 2025, providing family and friends an opportunity to honor her remarkable life. As the Clooney family navigates this profound loss, their heartfelt memories of Ada will undoubtedly resonate within the community and beyond.

This developing story highlights the human impact of loss and the strength of familial bonds during difficult times. Stay tuned for updates as the Clooney family shares more about their beloved Ada.