United Kingdom, May 8 -- Donna Kelce used to worry about money when her sons were training to become footballers.

The 71-year-old Ohio native is mother to NFL players Jason, 36, and 34-year-old Travis - who has been in a relationship with pop megastar Taylor Swift for almost a year - from her previous marriage to Ed Kelce and admitted that while it was obvious that both of her boys needed to be kept "extremely busy" with sports when they were children, there was a time when she wondered if they could keep up with the expense of all their activities outside of school.

She told UsWeekly: "Jason and Travis were very active, and if we wanted any sanity in the household at all, we knew we had to keep them extremely busy. "There's always a th...