Her great grandfather was interned at Knockaloe
The Isle of Man has featured during an episode of the BBC's "Who Do You Think You Are".
Comedian and presenter Sue Perkins came to the Island to find out about her maternal great grandfather.
Emil Muller was one of those sent to the Knockaloe Internment Camp during the First World War.
Sue found out more about him from Professor Stefan Manz during last night's (Thursday) programme:
You can watch the episode in full on BBC iPlayer.