To the world, she was Her Majesty the Queen, but to her family, she was Mummy, Grannie, or Gan-Gan.
She was already mother to Prince Charles, 3, and Princess Anne, 1, when she devoted herself to a lifetime of service as Queen at just 25 years old. But as she navigated the early years of her rule, the relationship with her eldest children suffered.
The youngsters were left in the care of nannies
