姓氏是人所生也的血统派生出来的家族图腾和族徽符号。姓氏之氏，就是其姓之家族繁衍后的分支。
On the Origins of Surname , Clan , Name and Style and their Cultural Implications 2 . clan ; A surname is a clan totem and a family symbol deriving from blood .
氏姓