Former 'Bachelorette' Trista Sutter's Grandmother Passes Away: 'I Am Thankful She Has Found Peace'

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Trista Sutter is mourning the loss of her grandmother, Rosemary.

The former Bachelorette took to Instagram on Tuesday to write a heartfelt tribute to her grandma who "has found peace" after a long battle with Alzheimer's.

RELATED: Trista Sutter Shares More Family Vacation Photos After Suffering Seizure: 'Life Is Sweet'

"In the book of my life, roses have consistently played a special role?," Sutter, 44, wrote alongside a photo of her grandmother. "But long before dramatic televised ceremonies existed, they represented two beautiful women who helped create my story... my mother, Roseanne and my grandmother, Rosemary. Today, my Grandma Rose's chapter has least the one here on earth...and even though I've shed many tears today and will continue to grieve her passing, I can't help but be thankful that it was finally her time. ??"

"I am thankful that she has found the peace that she deserves after years of Alzheimer's & pain," she continued. "I am thankful that I now have another angel to watch over me & my family. Most of all, though, I am thankful that she is forevermore divinely reunited with her one true grandfather. ❤️ Rest in peace, gma. You and your feisty, fearless self will always be a favorite story in the book of my life. I love you. ?❤️ #rip #grandmarose #loveroffamily #loveroffootball #loverofpurdue #boilermaker #youwillbemissed."

WATCH: Trista Sutter Recalls Seizing on Top of 8-Year-Old Daughter Blakesley: 'She Was Traumatized'

Trista has had a tough couple of months. In June, she revealed that she suffered a seizure while vacationing with her husband, Ryan Sutter, and family in Croatia. The former reality star posted an emotional message on social media recounting the traumatizing experience and writing how grateful she was to be alive.

Watch Trista talk about the terrifying moment in the video below.