母系
Noun
Noun
1
noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no'
maternal line;mother's side of the family
See also:
父系 (ふけい)
母系の祖母はその旧式のドレスを着ることに固執する。
My maternal grandmother persists in wearing that old-fashioned dress.