Happy Mothers Day from the Palace :
"These photos show The Queen with each of her children. From left to right, with The Prince of Wales in 1950 at Clarence House, with The Princess Royal in Balmoral in 1955, The Duke Of York in 1960 also in Balmoral and holding Prince Edward in 1965 in Windsor"
And Prince Andrew posted a lovely old picture of him with his mother:
"In 1962, The Queen and Prince Andew enjoy a carriage ride around Windsor Castle."