Jürgen Kreiner
From Tardis Wiki, the free Doctor Who reference
Jürgen Kreiner was the brother of Otto Kreiner and the uncle of Fitz Kreiner. During World War II, he was interred in a Nazi concentration camp. Some time after the War ended, Jürgen came to England to visit his brother's family. Otto was reluctant to explain the meaning of the serial number on Jürgen's arm to young Fitz. (PROSE: Frontier Worlds)
