The first episode of the new series 'Who Do You Think You Are?' will be screened on RTÉ One tonight.

In the first episode RTÉ News Chief News Correspondent Charlie Bird investigates his family history.

His journey takes him from Cork to the West Indies and to Portsmouth and The Battle of the Nile.

'Who Do You Think You Are?' airs on RTÉ One at 9.30pm.

Visit the 'Who Do You Think You Are?' website.