孙姓在百家姓中排在第12位,约有人口2000万,约占全国总人口的1.54%。据《孙氏宗谱》等资料记载,孙姓的来源有七:1、出自姬姓。姬姓为周文王之子康叔的后代。康叔于西周初年受封于卫,建立卫国。康叔的9世孙叫惠孙受封于“戚”(今河南省濮阳)。惠孙在统治期间大施仁政, Sun surname ranked 12th in the hundred surnames, about 20 million people, accounting for about 1.54% of the total population. According to “Sun’s genealogy” and other data records, the source of surnames are seven: 1, from Ji Xing. Kyrgyzstan surnamed Zhou Wen Wang’s son Kang Shu’s descendants. Uncle Kang in the Western Zhou Dynasty was sealed in Wei, the establishment of the Patriotic. Uncle Sun’s 9th grandson called Hui Sun received in “Qi” (now Puyang, Henan Province). Hui Sun during the reign of big Shi Ren Zheng,