“My aunt, Ethel Kennedy, passed away this morning,” Maria Shriver wrote on X. “What a life she lived. What a tremendous family she created and left behind.”

“Ethel Kennedy was a dear friend with a passion for justice, an irrepressible spirit and a great sense of humor,” Obama wrote. “She touched the lives of countless people around the world with her generosity and grace, and was an emblem of enduring faith and hope even in the face of unimaginable grief. Michelle and I are thinking of the Kennedy family and all those who loved this extraordinary woman.”

Posts on the social media site feature decades of photos of a woman whose ongoing work, prominent political family and legacy often put her in the spotlight. Black-and-white images of the family matriarch’s childhood, wedding, funeral and even beach photos flashed steadily across the social media site Thursday.