He is Chinese person received Thai citizenship. When granted Thai citizenship you take Thai name as well as your home country name. It seem high connections and a large political donation smoothed the path of his application.
Thailand declared war on Germany in 1917 and their troops arrived in France shortly before the Armistice in 1918. After the war Thai troops occupied the town of Neustadt in Germany.
The Karen are located in the south east of Myanmar in a state bordering Thailand. The Kachin people are in the north of Myanmar in a state bordering China. In the north east are the Shan people.