“My mom Marian Robinson was my rock, always there for whatever I needed,” the The Former First Lady posted on X on Friday. “She was the same steady backstop for our entire family, and we are heartbroken to share she passed away today.”

The Former President Obama also posted on X, “There was and will be only one Marian Robinson,” he added. “In our sadness, we are lifted up by the extraordinary gift of her life. And we will spend the rest of ours trying to live up to her example.”