姉の

older sister's

→ 姉
phrase Uncommon #11,988
older sister's 姉 refers to one's older sister; の links her to something belonging to, associated with, or related to her.
JA: 姉の家は駅の近くです。
EN: My older sister's house is near the station.

あれは姉の本なんです。

That is my older sister's book.

姉のです

It’s my older sister’s.

— 燃ゆる女の肖像 (2019)

姉の事は何て?

What about my older sister?

— サイコ (1960)

姉のプルジーナ

Prudina’s older sister

— 炎628 (1985)

姉の子供たち

My sister’s children

— 炎628 (1985)

これは姉の結婚式なの

This is my older sister’s wedding.

— きっと、うまくいく (2009)

姉のメアリーは今、ボストンにいます。

My older sister Mary is in Boston now.

彼の姉のインガです

I’m his older sister, Inga.

— ジョジョ・ラビット (2019)

姉のアリアナは経済学の勉強をやめてしまった

My older sister Ariana quit studying economics.

— グッバイ、レーニン! (2003)

姉の仕事は英語を教えることです。

My older sister’s job is teaching English.

姉のベアトリスと旦那が来る今日?

Are my older sister Beatrice and her husband coming today?

— レベッカ (1940)

姉の結婚式に行く途中なの。

I'm on my way to my older sister's wedding.