Queen Victoria holding her son, Prince Edward Albert of York, in 1984.
Standing alongside are his father, then the Prince of Wales, and grandfather King George V.
Queen Elizabeth II's Christening in 1926.
Buckingham Palace released this portrait of then Duchess of York, later the Queen Mother, holding the future monarch, to commemorate Her Majesty's 91st birthday.
The Christening of Princess Anne took place at Buckingham Palace in October 1950.
In this photograph Prince Charles, then aged 2, sits on the lap of his grandmother, the Queen consort. Her husband King George VI stands in the background.
Peter Mark Andrew Phillips, the first child of Princess Anne and Captain Mark Phillips, was christened in December 1977.
Zara Phillips, now Zara Tindall, was christened at Windsor Castle in July 1981.
The Duke of Cambridge was christened William Arthur Philip Louis in August, 1982, in Buckingham Palace.
This image shows Diana, Princess Of Wales, holding William. Alongside her, the Queen, and the Queen Mother, who celebrated her 82nd birthday the same day.
Behind them, Prince Charles and the Duke of Edinburgh.
Prince Harry was christened Henry Charles Albert David in December 1984.
Pictured is the Queen Mother, Queen Elizabeth II, the late Princess Diana, Prince Charles and their two children Prince William and Harry.
The Duchess of York, Sarah Ferguson, and Prince Andrew, christened their eldest daughter in December 1988.
The occasion took place at the Chapel Royal, St James' Palace.