Etymology and distribution of 東留.

Higashidome 【東留】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Fukuoka-ken , Kyouto-fu · Toukyou-to .

※ There was a case called Mr. Sugawara in the Okayama-ken northern part (formerly Mimasaka) in the Kamakura period. 菅原 Sugawara reference.