Different Relationship Names in Korean: A Complete Family Terms Guide

Korean family relationships are famous for being detailed and respectful. Unlike English, where many relatives are called simply “uncle,” “aunt,” or “cousin,” Korean uses different terms based on age, gender, and whether the relative is from the father’s or mother’s side of the family.

If you are learning Korean, watching K-dramas, researching Korean ancestry, or connecting with Korean relatives, understanding these relationship names is extremely useful. Korean family terms also reveal important cultural values such as respect for elders, family hierarchy, and closeness between relatives.

This guide explains the most common Korean relationship names in simple English, with pronunciation hints and cultural notes.

Why Korean Family Terms Are So Detailed

Korean society traditionally places strong emphasis on:

Respect for elders
Clear family hierarchy
Distinction between paternal and maternal relatives
Honorific language in daily life

Because of this, the word you use for a relative often changes depending on:

Your gender
The relative’s gender
Whether the relative is older or younger
Which side of the family they belong to

This is one reason Korean relationship vocabulary is richer than English family vocabulary.

Immediate Family in Korean

Parents

English	Korean	Romanization
Father	아버지	Abeoji
Mother	어머니	Eomeoni

In casual speech, many Koreans say 아빠 (appa) for dad and 엄마 (eomma) for mom.

Children

English	Korean	Romanization
Son	아들	Adeul
Daughter	딸	Ttal
Child	아이 / 자녀	Ai / Janyeo

Siblings in Korean

Korean distinguishes siblings by age and the speaker’s gender.

When a male is speaking

English	Korean	Romanization
Older brother	형	Hyeong
Older sister	누나	Nuna
Younger brother	남동생	Namdongsaeng
Younger sister	여동생	Yeodongsaeng

When a female is speaking

English	Korean	Romanization
Older brother	오빠	Oppa
Older sister	언니	Eonni
Younger brother	남동생	Namdongsaeng
Younger sister	여동생	Yeodongsaeng

This gender-based distinction is one of the first things Korean learners notice.

Grandparents in Korean

English	Korean	Romanization
Grandfather	할아버지	Harabeoji
Grandmother	할머니	Halmeoni

These terms are used for both paternal and maternal grandparents in everyday conversation.

Paternal Relatives

Korean traditionally distinguishes relatives on the father’s side.

Father’s Brothers

English	Korean	Romanization
Father’s older brother	큰아버지	Keunabeoji
Father’s younger brother	작은아버지	Jageunabeoji

Their Wives

English	Korean	Romanization
Wife of father’s older brother	큰어머니	Keuneomeoni
Wife of father’s younger brother	작은어머니	Jageuneomeoni

These distinctions are important in traditional Korean families.

Maternal Relatives

Mother’s Brother

English	Korean	Romanization
Maternal uncle	외삼촌	Oesamchon

Mother’s Sister

English	Korean	Romanization
Maternal aunt	이모	Imo

Aunt’s Husband

English	Korean	Romanization
Husband of maternal aunt	이모부	Imobu

Notice that maternal relatives often include the prefix 외 (oe), meaning “outside,” reflecting traditional lineage distinctions.

Uncle and Aunt in General

In modern conversation, especially among younger Koreans, 삼촌 (samchon) may be used more generally for an uncle, though the traditional terms are still widely understood.

Similarly, 고모 (gomo) refers specifically to a father’s sister.

English	Korean	Romanization
Father’s sister	고모	Gomo
Husband of father’s sister	고모부	Gomobu

Cousins in Korean

Korean has specific cousin terms, but in modern usage many people simply use 사촌 (sachon) for cousin.

English	Korean	Romanization
Cousin	사촌	Sachon

Traditional terminology can become much more detailed depending on the exact relationship.

Husband and Wife

English	Korean	Romanization
Husband	남편	Nampyeon
Wife	아내	Anae

Common conversational terms include 신랑 (sinrang) for groom or husband and 부인 (buin) for wife in formal contexts.

Parents-in-Law

Husband’s Parents

English	Korean	Romanization
Father-in-law	시아버지	Siabeoji
Mother-in-law	시어머니	Sieomeoni

Wife’s Parents

English	Korean	Romanization
Father-in-law	장인	Jangin
Mother-in-law	장모	Jangmo

The terms differ depending on whether the speaker is married to a son or a daughter.

Siblings-in-Law

For a married woman

English	Korean	Romanization
Husband’s older brother	아주버님	Ajubeonim
Husband’s younger brother	도련님	Doryeonnim
Husband’s sister	시누이	Sinu-i

For a married man

English	Korean	Romanization
Wife’s brother	처남	Cheonam
Wife’s sister	처제	Cheoje

These are among the most culturally specific Korean relationship terms.

Children-in-Law

English	Korean	Romanization
Son-in-law	사위	Sawi
Daughter-in-law	며느리	Myeoneuri

Common Family Words in K-Dramas

If you watch Korean dramas, you will frequently hear:

Oppa (오빠): Older brother, used by females
Eonni (언니): Older sister, used by females
Hyeong (형): Older brother, used by males
Nuna (누나): Older sister, used by males
Halmeoni (할머니): Grandmother
Harabeoji (할아버지): Grandfather

These words are often used not only for relatives but also for close friends who are older.

Korean Family Hierarchy and Respect

Korean relationship names are closely tied to honorific speech. Younger family members usually speak more politely to older relatives.

For example:

Speaking to grandparents requires respectful verb endings.
Older siblings may be addressed by title rather than by personal name.
In-laws are often addressed with formal family titles.

Understanding these terms helps learners communicate more naturally and respectfully.

Korean vs. English Family Terms

Relationship	English	Korean
Older brother	Brother	형 / 오빠
Older sister	Sister	누나 / 언니
Maternal uncle	Uncle	외삼촌
Father’s older brother	Uncle	큰아버지
Father’s younger brother	Uncle	작은아버지

English groups several relatives under one word, while Korean often specifies the exact relationship.

Why These Terms Matter in Genealogy

When researching Korean family history, relationship terms can reveal:

Whether a record refers to the paternal or maternal line
Relative age within a generation
Marriage connections
Household structure

Recording relatives accurately becomes much easier when you understand the original Korean terminology.

A digital family tree can help preserve these relationships across generations. You can start documenting your Korean ancestry with My rOoOts and map connections using the Family Relationship Calculator.

For more genealogy guides and cultural relationship articles, visit the My rOoOts blog.

Easy Memory Tips

Male speaker

Hyeong = older brother
Nuna = older sister

Female speaker

Oppa = older brother
Eonni = older sister

Maternal side

Imo = mother’s sister
Oesamchon = mother’s brother

Paternal side

Gomo = father’s sister
Keunabeoji / Jageunabeoji = father’s brothers

Learning these core terms first will help you understand most everyday family conversations.

Conclusion

Korean family relationship names are much more than vocabulary words. They reflect respect, age, gender, and family lineage. From oppa and eonni to gomo and oesamchon, each term tells a story about a person’s place within the family.

Whether you are learning Korean, watching K-dramas, marrying into a Korean family, or researching Korean ancestry, mastering these relationship names will deepen your understanding of Korean culture and family life.

To preserve your own family relationships and ancestry records, explore My rOoOts and create a lasting digital family tree for future generations.

Useful Family History Tools

Understanding Korean relationship names becomes even more meaningful when you can map those connections in a family tree. My rOoOts offers several tools that can help you preserve and explore your family history.

Relationship Calculator

Not sure how two relatives are connected? Use the Relationship Calculator to identify relationships instantly.

Family Tree Generator

Create a visual family tree and organize relatives from both paternal and maternal sides with the Family Tree Generator.

Ancestor Timeline Generator

Build a chronological history of your family and track important life events using the Ancestor Timeline Generator.

Zodiac Compatibility

Explore traditional birthday and zodiac compatibility between family members or couples with the Zodiac Compatibility Tool.

These tools are especially useful for families documenting Korean ancestry, preserving cultural heritage, and sharing family stories across generations.

Different Relationship Names in Korean: A Complete Family Terms Guide