Princess Anne has a son and a daughter with her first husband Captain Mark Phillips; Peter Phillips, 43, and Zara Tindall.
Prince Andrew and Sarah Ferguson have two daughters, Princess Beatrice, 32, and Princess Eugenie, 30.
And the youngest of the Queen’s children Prince Edward has a son and a daughter with his wife Sophie, Countess of Wessex.
The couple have Lady Louise Windsor, 17 and James, Viscount Severn, 12.
