Russian Family Relationship Names Explained (English to Russian Guide)

Russian kinship vocabulary is unusually precise about one thing English glosses over entirely: which side of the family a relative belongs to. Where English happily uses "mother-in-law" for either your husband's mother or your wife's mother, Russian has completely different words for each. If you're building out a Russian branch of your family tree, that precision is worth understanding before you start labeling relatives.

This guide covers the core Russian family relationship names - parents, siblings, grandparents, and the in-law terms that make Russian kinship vocabulary stand out.

Immediate Family

• Father: otets (отец), often called papa (папа) informally
• Mother: mat (мать), often called mama (мама) informally
• Son: syn (сын)
• Daughter: doch (дочь)
• Husband: muzh (муж)
• Wife: zhena (жена)
• Brother: brat (брат)
• Sister: sestra (сестра)

Unlike Japanese or Vietnamese, Russian sibling terms don't encode birth order - brat and sestra work regardless of whether the sibling is older or younger. If you need to specify, you add starshiy (старший, older) or mladshiy (младший, younger) as a modifier.

Grandparents and Extended Family

Relationship	Russian	Transliteration
Grandfather	дедушка	dedushka
Grandmother	бабушка	babushka
Uncle	дядя	dyadya
Aunt	тётя	tyotya
Cousin (male)	двоюродный брат	dvoyurodnyi brat
Cousin (female)	двоюродная сестра	dvoyurodnaya sestra
Nephew	племянник	plemyannik
Niece	племянница	plemyannitsa

Like Japanese, Russian doesn't split uncle/aunt terms by which parent's side they're on - dyadya and tyotya cover both. Cousins are built compositionally: dvoyurodnyi brat literally means something like "twice-removed brother," and the same pattern extends further out to dvoyurodnyi dyadya (a cousin of your parent, roughly a first cousin once removed) if you need to go further up the tree.

Where It Gets Interesting: In-Laws

This is the part that surprises most English speakers learning Russian family vocabulary. Russian doesn't have one word for "mother-in-law" - it has two, depending on whether you're the husband or the wife:

• Svekrov (свекровь): husband's mother, used by the wife
• Tyoshcha (тёща): wife's mother, used by the husband
• Svyokor (свёкор): husband's father, used by the wife
• Test (тесть): wife's father, used by the husband

The same split continues for siblings-in-law:

• Zolovka (золовка): husband's sister
• Shurin (шурин): wife's brother
• Svояченица (свояченица): wife's sister
• Dever (деверь): husband's brother

Historically, this precision reflects a family structure where a new wife moved into her husband's household and needed clear, distinct words to navigate a whole new set of relatives she hadn't grown up around - the vocabulary itself is a small artifact of how Russian extended families used to live together.

A Quick Comparison

English (ambiguous)	Russian (specific)
Mother-in-law	svekrov (his mother) or tyoshcha (her mother)
Father-in-law	svyokor (his father) or test (her father)
Brother-in-law	dever (his brother) or shurin (her brother)
Sister-in-law	zolovka (his sister) or svoyachenitsa (her sister)

Building a Russian Branch of Your Family Tree

A few practical notes if you're adding Russian relatives to a family tree:

1. Record which spouse each in-law term is relative to - "tyoshcha" only makes sense once you know whose mother-in-law she is, so keep that context attached to the label, not just the word itself.
2. Don't assume dyadya or tyotya tells you which side of the family someone is from - you'll need a separate note, since Russian doesn't distinguish maternal from paternal the way the in-law terms do.
3. If older relatives used patronymics (a middle name derived from the father's first name), record those too - they're a genuinely useful genealogical clue for identifying which generation someone belonged to.

My rOoOts lets you attach relationship labels directly to each person in your tree, which is especially handy for a system like Russian's where the same English word ("mother-in-law," "brother-in-law") maps to two different, non-interchangeable Russian words.

Frequently Asked Questions

Why does Russian have different words for mother-in-law depending on which side of the family?

The distinction comes from a family structure where a wife traditionally joined her husband's household. She needed a specific word for his mother (svekrov) that was distinct from the word a husband used for his own wife's mother (tyoshcha), since the two relationships carried different social expectations.

Does Russian distinguish older and younger siblings the way some Asian languages do?

Not by default - brat and sestra work for any sibling. If you want to specify birth order, you add starshiy (older) or mladshiy (younger) before the word, but it's optional rather than built into a separate term.

Is there one word for "cousin" in Russian?

Russian specifies gender: dvoyurodnyi brat for a male cousin and dvoyurodnaya sestra for a female cousin. There's no single gender-neutral word the way English has "cousin."

What does "dvoyurodnyi" actually mean?

It roughly translates to "second-degree" or "twice-removed," and it's the building block Russian uses to describe more distant relatives - a first cousin once removed, for example, extends the same pattern one generation further.

Do modern Russian families still use all these in-law terms in everyday speech?

Yes, though usage varies by region and generation - many younger Russian speakers use them less formally or substitute first names, but the words themselves remain standard and are still the correct terms for a family tree or formal document.