My sister's son is my nephew.

我姐姐的儿子是我的外甥。

youdao

One day I saw my elder brother, and my sister's son Satya, also a little older than myself, starting off to school, leaving me behind, accounted unfit.

有一天我看见我六哥和比我大一点的外甥萨提亚，两人启程去上学，把我丢在家里，因为我年龄不够。

youdao

After he died, she lived with her sister's son, orchestra conductor James DePriest.

VOA: special.2009.01.25

According to the Khasi matrilineal system, Sing's sister's son, not his own, will inherit his title.

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They are someone's father, son, husband as we are someone's mother, sister and even wife.

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She made plans see Jim at his sister's house, and brought her toddler son along to make sure the ex wouldn't misunderstand.

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