Essential Family Vocabulary in English (B1 Level) — B1 English vocabulary lesson by Langcom

Essential Family Vocabulary in English (B1 Level)

ラウル・マグイニャ

Langcom 創設者 | ケンブリッジおよびSIELE試験の試験官

9月 14, 2026

B1📚 語彙⏱️ 読了時間:4分📅 Updated 9月 2026
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Understanding family vocabulary is a key step in improving your English communication at B1 level. Knowing how to talk about your family helps you share personal stories, introduce loved ones, and understand conversations about other people’s lives. This lesson will introduce you to essential words for immediate and extended family members, from your mother そして father to your grandparents, aunts, 、および uncles. We will cover both formal and informal terms, like mum そして dad, so you can speak naturally in different situations. You will learn how to differentiate between siblings, children, and other relatives. Mastering these words will make your English sound more authentic and help you connect better with native speakers, allowing you to discuss personal topics with greater confidence and accuracy. Get ready to expand your vocabulary and confidently describe your family tree!

あなたの近親者には誰がいますか?

Your immediate family usually includes your closest relatives. These are the people you often live with or see regularly.

  • Mother / Mum: Your female parent. Mum is more informal.
  • Father / Dad: Your male parent. Dad is more informal.
  • Parents: Both your mother そして father.
  • Sister: A female child of your parents.
  • Brother: A male child of your parents.
  • Siblings: あなたの brothers そして sisters 一緒に。.
  • Son: A male child.
  • Daughter: A female child.
  • Children: あなたの sons そして daughters.

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What about your extended family?

Extended family includes relatives beyond your immediate family. These are people like your grandparents, aunts, uncles, and cousins.

  • Grandmother / Granny / Grandma: あなたの mother's or father's mother. Granny そして Grandma are informal.
  • Grandfather / Granddad / Grandpa: あなたの mother's or father's father. Granddad そして Grandpa are informal.
  • Grandparents: Both your grandmother そして grandfather.
  • Aunt: あなたの mother's or father's sister.
  • Uncle: あなたの mother's or father's brother.
  • Cousin: あなたの子供の aunt または uncle. This word is used for both male and female relatives.
  • Niece: The daughter of your brother または sister.
  • Nephew: The son of your brother または sister.

How do we talk about marital status?

When discussing adults in a family, you might also talk about their marital status. These words describe relationships between partners.

  • Husband: A married man.
  • Wife: A married woman.
  • Married: Having a husband または wife.
  • Single: Not married.
  • Divorced: Legally separated from a husband または wife.
Formal and Informal Family Terms
Formal Informal (UK English)
Mother Mum
Father Dad
Grandmother Granny / Grandma
Grandfather Granddad / Grandpa
Siblings Brothers and sisters
Children Kids

  • My mum and dad are coming to visit this weekend.
  • I have one brother and two sisters; we are a big family.
  • My grandparents live in a small town.
  • She is my aunt, and her children are my cousins.
  • My uncle works as a teacher.
  • They have two children, a son and a daughter.
  • My niece is starting university next year.
  • He is married to my sister. He is my brother-in-law.

練習

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スペイン語話者がよく犯す間違い

Using "relatives" instead of "parents": In Spanish, "mis padres" means "my parents." However, some learners might incorrectly translate this as my relatives.

  • 正しい: My parents are visiting. (Meaning: my mother and father)
  • 誤り: My relatives are visiting. (Meaning: any family member, not specifically mother and father)

Gender for "cousin": In Spanish, you have "primo" and "prima." In English, cousin is used for both.

  • 正しい: My cousin is coming. (Can be male or female)
  • 誤り: My male cousin is coming. (Not necessary, just my cousin is enough unless you need to specify)

Using "grandparents" for one grandparent: Grandparents is plural.

  • 正しい: My grandmother is very kind.
  • 正しい: My grandparents are visiting.
  • 誤り: My grandparent is visiting. (If referring to only one, use grandmother または grandfather)

よくある質問

「~と~の違いは何ですか」 mum そして mother?

Mother is the formal word for a female parent. Mum (または Mom in American English) is an informal, affectionate term used in everyday conversation. You would use mother in formal writing or when speaking generally, but mum when talking directly to or about your own mother.

「私の両親」は英語で何と言いますか?

You simply say my parents. This refers to both your mother そして father. Do not use my relatives if you mean specifically your mother そして father, as relatives can mean any family member.

What about 'in-laws' in English?

In-laws are your spouse's family members. For example, your husband's mother is your mother-in-law, and your wife's brother is your brother-in-law. This term is very common.

Why is learning family vocabulary important for B1 English?

At B1 level, you need to be able to describe personal experiences and talk about your life. Family is a central part of many people's lives, so knowing these words allows you to participate in common conversations, introduce your family members, and understand stories about others. It helps you build stronger connections and communicate more naturally.

関連レッスン

著者について:ラウル・マグイニャ

ラウル・マグイニャ氏は、認定Cambridge English試験対策センターである「Asociación Educativa Langcom」の所長であり、 あなたの国. 。語学教育および国際資格認定の分野で10年以上の経験を持ち、25カ国にわたる数千人の学生、教師、教育機関が、ケンブリッジ英語検定、IELTS、TOEFL、およびMichiganの英語資格を取得できるよう支援してきました。.

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