[せい(P);しょう(ok);そう(ok), sei (P); shou (ok); sou (ok)] (n) (1) hereditary title (used in ancient Japan to denote rank and political standing); (2) (arch) clan#2497
[せい(P);しょう(ok);そう(ok), sei (P); shou (ok); sou (ok)] (n) (1) surname; family name; (2) (せい only) (See 姓・かばね) hereditary title (used in ancient Japan to denote rank and political standing); (P)#2497