Tong is the 23rd generation descendant of Jin 'an County King in Jin Dynasty. In order to escape the war, Tong came to Huilai from Fujian with his family and came to Tujiao Township near the pond. After that, Tong entrusted people to look for a treasure trove of geomantic omen, and then established an ancestral temple in ancient Guilin (now Gu Xiang Village, Huilai County) and settled in Huilai Gu Xiang Village.
After Tong settled in Gu Xiang Village, his children and grandchildren developed well. There have been seven generations of Kejia, and two dynasties, one in the Ming Dynasty and the other in the Qing Dynasty. Emperor Jiaqing also praised: Lin is a rich man. Since then, people named Lin are either rich or expensive, and descendants of Gong Xuan are all over the world.
Today, there are 35 generations of Gong descendants with a population of more than 400,000. Most of them live in all parts of Guangdong, and Xuan Tong is full of talents, covering all walks of life.