- George Clooney’s Sister Adelia Zeidler Dead at 65 TMZ
- George Clooney’s Sister, Adelia ‘Ada’ Zeidler, Dies at 65: ‘I’ve Never Met Anyone So Brave’ (Exclusive) People.com
- Mrs. Adelia “Ada” Zeidler Obituary (2025) – Augusta, KY – Metcalfe-Hennessey Funeral Home Legacy | Obituary
- George Clooney mourns death of sister Ada Zeidler KGW
- George Clooney’s sister, Adelia ‘Ada’ Zeidler, dies at 65 WKRC
