United Kingdom, May 13 -- Jason Kelce finds it "hard" to spend time with his family.

The 37-year-old retired footballer - who is married to Kylie Kelce and has Wyatt, five, Elliotte, four, Bennett, two, and five-week-old Finn with her - managed to get the "whole crew" together for Mother's Day in the US over the weekend, and had a "great day" with them all but admitted that something like that isn't so easy to orchestrate.

He told PEOPLE: "We had a whole crew in. We had a great brunch together, a day together.

"It's special when we all get to get together.

"It's hard. There's a lot of things happening in everybody's lives, so for all the girls and everybody, it was a good day."

Jason and his family have been catapulted into the globa...