United Kingdom, April 7 -- Dame Anna Wintour has always been "relentless" in her approach to parenting.

The 76-year-old media executive has daughter, Bee, 38, and son, Charlie, 40, with ex-husband David Shaffer, and Anna has opened up about her commitment to her family life.

She told Vogue magazine: "I was relentless about going to the games and turning up at the parent-teacher meetings, being there when it was important. I felt like Vogue could always wait and that it's okay to be a busy mother. You make it work."

Anna, who has four grandchildren, said family is the cornerstone of her life outside work.

She said: "I try to instill in my children and my grandchildren that it's family that counts and family who will give you love and s...