Mr. Oshima

…Their original surname was Oe. In the Middle Ages, they were called Oshima, vassals of Hizen Province. After the Nanboku-cho period, they called themselves the Matsuura clan, but later became vassals of the Kuroda clan in Chikuzen and changed their surname to Kurushima. …

*Some of the terminology that refers to "Mr. Oshima" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…本姓は大江氏。中世には肥前国御家人大嶋氏と称した。南北朝時代以後，松浦一族と号したが，のちに筑前黒田藩の家臣となり，来島氏と改姓した。…

※「大嶋氏」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報