Family Members in Japanese

By Lachlan McRitchie

Updated July 5, 2026

The word for family in Japanese is 家族 (kazoku), and the core members are 母 (haha, mother), 父 (chichi, father), 兄 (ani, older brother), and 姉 (ane, older sister). Japanese uses humble words for your own family and polite forms for someone else's.

JapaneseEnglish
家族familykazoku
mother (one's own)haha; others': お母さん okaasan
father (one's own)chichi; others': お父さん otousan
older brother (one's own)ani; others': お兄さん oniisan
older sister (one's own)ane; others': お姉さん oneesan
younger brotherotouto; others': 弟さん otoutosan
younger sisterimouto; others': 妹さん imoutosan
祖父grandfather (one's own)sofu; others': おじいさん ojiisan
祖母grandmother (one's own)sobo; others': おばあさん obaasan
両親parents (one's own)ryoushin; others': ご両親 goryoushin
息子son (one's own)musuko; others': 息子さん musukosan
daughter (one's own)musume; others': お嬢さん ojousan

Want these to stick? Hear them in real context: LingoBinge surfaces words like these while you watch Japanese shows on Netflix, and saves them for spaced review.

Hear them in: Old Enough!, Midnight Diner: Tokyo Stories.

Frequently asked questions

Why are there two words for mother in Japanese?
Japanese distinguishes humble words for your own family from polite words for someone else's. Your own mother is 母 (haha), but another person's mother is お母さん (okaasan), which is also how you address your own mother directly.

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