Read More Speaking on QuestRed's documentary Meghan and Harry: A Royal Baby Story, he said: "Diana said to me, I don't envy you Ken, looking after my two children because they can be a ruddy nuisance. "William turned around and said to his mother, you know aged five, we're not a bloody nuisance are we Harry. "And he turned around at which point said "no", fell off this table, followed by this vase of lilies that smashed to pieces on the floor. Ken Wharfe (Image: Promotional Stills) Read More "He was always the joker in the pack. What we see today is a style that I recall 30 odd years ago." Ken also believes that the boys had a happy childhood, despite the drama and heartbreak of their parents' seperation. He said: "I think it's wrong to say, because I never witnessed it and I was around there for some time, that their childhood, their upbringing and their happiness suffered in any way as a result of the state of their marriage." Read More Princess Diana . .