'I wrote a letter so my great-granddaugter, 2, knows all about our greatest Queen'

You are now two years and three months old: walking, ­talking ten to the dozen, ­toddling and meddling. It’s a wonderful age for children.

But you’re still far too young to comprehend the full meaning of life, and the passing of your country’s greatest queen, Elizabeth II.

You didn’t know it but you were born in the 68th year of her 70 years on the throne, the longest reign of any British monarch.