A good-looking man, Tsutsukawa no Shimako, or Mizunoe Urashima no ko, who was an ancestor of KUSAKABE no Obito and others, lived in the region of Tsutsukawa no sato.
筒川の里、日下部首等の先祖に姿容秀美の筒川嶼子という者、即ち水江浦島子がいた。