Princess Eugenie and Princess Beatrice were warned against “complaining and moaning” by their mother Sarah Ferguson. The Duchess of York, 64, opened up about parenting her two daughters she shares with Prince Andrew, born in 1988 and 1990. Fergie, as the duchess is affectionately known, wears a bracelet bearing the names of her daughters. The 64-year-old explained how she instilled a sense of empathy and compassion in Beatrice, 35, and Eugenie, 34, from a young age. She said: “They were born to learn about charity, they were born to give.” Sarah shared how she taught Beatrice and Eugenie to th…