After a five-year stay in China he returned to Germany for a short time in order to find a wife.

Shortly after World War I broke out, British and Japanese forces began the Siege of Qingdao.

[2] After the fall of Qingdao, Karl and Elise were both sent to internment camps in Okinawa, Japan as prisoners of war.

Karl Juchheim and other prisoners were later relocated to a camp at Ninoshima, a small island located close to Hiroshima, in 1919.

The majority went back to Germany but some, such as Karl Juchheim and his wife, settled down in Japan and East Asia instead.

The couple then moved to Kobe, borrowed a large sum of money and opened a new store.

His son, Karl-Franz was conscripted into the German army in 1942 and declared dead following the end of the war.

After the war, Elise was expropriated and deported back to Germany by the Supreme Commander for the Allied Powers.