Henry Winkler's Granddaughter Roots for His Favorite NFL Team Thanks to Travis Kelce and Taylor Swift

Winkler first attended a Chief's game last fall, where he struck up a friendship with quarterback Patrick Mahomes

Henry Winkler has another Chiefs fan in his family!

On Wednesday, the Barry actor, 77, shared a photo on X (formerly known as Twitter) of his granddaughter wearing a shirt celebrating her newfound favorite football team, the Kansas City Chiefs.

Winkler's granddaughter smiled as she held out the shirt, which reads, "World's biggest fan of Taylor Swift's boyfriend's team."

The 33-year-old singer has reportedly been enjoying time with Kansas City Chiefs tight end Travis Kelce. Tagging him in the post, Winkler wrote, "@tkelce our granddaughter."

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Related: Watch Travis Kelce's Adorable Reaction to Niece Elliotte's 'Movie Star' Sunglasses: 'She's Stylin'

Winkler has been married to his wife Stacey since 1978. The couple share children Max, 38, and Zoe Emily, 42. He also has a stepson, Jed Weitzman, 51, from his wife's previous marriage to lawyer Howard Weitzman. He has six grandkids — India, Ace, Lulu, Jules, Gus, and Francis Joan.

Kelce is also known to be a fan of the actor, wearing a shirt that reads, "Football, Family, Fonzie," to a game last November.

While the NFL star has no kids of his own, he's a devoted uncle to brother Jason Kelce's three daughters — Bennett, 7 months Elliotte, 2, and Wyatt, 3. Speaking with PEOPLE earlier this year, Jason's wife Kylie Kelce celebrated the relationship between her girls and their uncle.

Although she's tried to tell Travis that he can turn down his nieces' many requests, he's a good sport at playing along.

"Our oldest, she's our boss. She's our ring leader, and she just has demand after demand for him. And I'm like, 'Trav, you know you can tell Wyatt no?' "

"He was like 'Yeah, I don't think I can.' And so he will do it," she said.

"She'll be like, 'Jump up and down.' He'll do it. 'Roll on the floor,' he'll do it. 'Be the pony.' He'll do it. So he's all-in when it comes to being an uncle. He is the epitome of an uncle, just through and through."

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