Sumiko Midorikawa

Sumiko Midorikawa (緑川 澄子 Midorikawa Sumiko) is the wife of Iwao Midorikawa and the mother of Maki Midorikawa and Kosuke Midorikawa.

Etymology

 * The name Sumiko means "clear, pure" (澄) (sumi) and "child" (子) (ko).
 * Sumiko's surname Midorikawa means "green" (緑) (midori) and "river, stream" (川) (kawa).

Trivia

 * Sumiko tends to mediate between Iwao Midorikawa and Maki Midorikawa always clashing.