Masako Ayukawa (鮎川 正子 Ayukawa Masako), known as Toshiyuki's wife, married Toshiyuki Ayukawa little knowing that Toshiyuki's mother would come live with them.
Etymology[]
- The name Masako means "right, proper" (正) (masa) and "child" (子) (ko).
- Masako's surname Ayukawa means "freshwater trout" (鮎) (ayu) and "river, stream" (川) (kawa).