Saikan 【斎官】3 The Japanese surnames etymology dictionary.
① 市東 There surname. Saitama-ken Hiki-gun Namegawa-machi Sugata, Saitama-ken Iruma-gun Moroyama-machi Iwai Nishi, Kumamoto-ken Kikami -ken Kikuchi gun was in the Edo era in raw water. Saitama-ken Iruma-gun In Moroyama-machi it is a sugar . 市東 reference. Chiba-ken Kimitsu-shi Kururi was in the Edo period in Kurume clan in the clan office. The same clan says that he was renamed from Watanabe's surname by Genji's descendant. 源 reference. 渡辺 reference.