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Welcome to the witness history podcast from the BBC World Service.

Today, Claire Bose is taking us back to a 200 year old French royal mystery. In 1793, the last King of France, Louis the 16th and his famous Queen,

Mary Antoinette were executed during the French Revolution.

But for two centuries it was rumored that their young son and heir survived.

And in the year 2000, a Belgian scientist began an investigation.

The fact that this could lead to answers to questions people had been looking at for hundreds of years actually was such a challenge for me that I could not say no

I had to do this.

Professor Jean-Jacquesseman conducted a DNA study which made headlines around the world.

In the crypt where the Kings and Queens of France are buried, there's a royal mystery which

dates back to the French Revolution. Did the Dauphin, the son of Louis II? Royal Mystery claim swapped for an imposter. Little Louis Charles, the Daufung, or heir to the throne, was just four years old

when the people of Paris marched him and his royal parents from their fabulous palace at Versailles to prison.

It was 1789 and the beginning of the French Revolution.

A mob descended on Versailles and essentially forced the Royal Family out of Versailles, a whole gang 30,000 strong marched with them to Paris.

Deborah Cadbury is author of the Lost King of France.

The angry crowd had sticks and spikes and they were threatening death to the Queen.

And in fact Louis Charles, youngest child who was four years old at the time he was

...