Si Mayan, a native of Xiaodukou Town, Li County, Hunan Province, Sima Guang (101917-10861October), a military citizen of Xia County, Shaanxi Province (now Xia County, Shanxi Province), Han nationality. In the Northern Wei Dynasty, the ancestor Sima Yang was a general here and was buried here after his death. Later generations settled and multiplied here. Today, there are more than 260 people in Sima Guang's family. Diligence and thrift, farming and studying have always been our ancient motto.