母系ぼけい
bokei

Noun
no-Adjective

1. maternal line; mother's side of the family

Related to 父系
母系ぼけい祖母そぼはその旧式きゅうしきのドレスをることに固執こしつする。
bokēno sobowa sono kyūshikino doresuo kiru kotoni koshitsu suru.
My maternal grandmother persists in wearing that old-fashioned dress.