Nephew is a term referring to the son of one's sibling. Sons of siblings-in-law are also informally referred to as nephews, even though there is no blood relation. The word nephew is derived from the French word neveu.^[1]

• Nephew = son of your sister or brother.
• Niece = daughter of your sister or brother.
• Nephew(-in-law) = son of your sister-in-law or brother-in-law.
• Niece(-in-law) = daughter of your sister-in-law or brother-in-law.

See also

• For details of this and other family relationships, see the entry at cousin.

References

1. ^ Wiktionary

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