Britain's royal family on Sunday released a footage from 1949, showing Queen Elizabeth II, then Princess Elizabeth, playing with her son Prince Charles.

Charles, now 67 and the heir to the throne, was one-year-old at the time.

The archive clip, released by Clarence House to mark Mother's Day, shows The Queen tickling Prince Charles and encouraging him to walk.

Releasing the video, Clarence House tweeted, "Today, we're sharing this video of The Queen and The Prince of Wales having fun at home in 1949. Happy #MothersDay!"

In another clip, the Prince, dressed in a coat, is seen walking outside as his mother waves from the window.

The footage also shows The Queen sitting on a sofa and cuddling her one-year-old baby.