源氏係廣東特有嘅姓氏，呢個姓嘅後人都來自廣東鶴山龍口鎮霄鄉村。而今村入邊有一千幾人姓源，世界各地仲有二千幾人。源氏始於北魏禿髮鮮卑源賀，所以係鮮卑人後裔。《魏書》、《北齊書》、《隋書》、《唐書》記載嘅源氏族人，就係鶴山源氏祖先。
Genji is a surname unique to Guangdong, and the descendants of this surname are all from Xiao Village, Longkou Town, Heshan, Guangdong. Today, there are more than 1,000 people in the village and more than 2,000 people from all over the world. Genji began in the Northern Wei Dynasty with the bald Xianbei Yuanhe, so he is a descendant of the Xianbei people. The people of the Yuan clan recorded in the Book of Wei, the Book of Northern Qi, the Book of Sui, and the Book of Tang are the ancestors of the Genji of Heshan.