The relationship between aunt and nephew is that between aunt and nephew, and the relationship between aunt and nephew is that between aunt and nephew. Aunt is my father's sister. My father's sister and brother are called aunt and father. Father's younger brother is called uncle. The husband's elder sister is called elder sister. Husband's sister is called sister-in-law, and her husband's sister and brother are called elder sister-in-law and brother-in-law. Husband's sister-in-law is called little uncle.

The difference between a nephew and a nephew:

In polite kinship, one's wife and one's sister's (married) son are called nephews, while one's sister's daughter is called nephews. "Uncle" and "aunt" are symmetrical.

"Nephew" belongs to the relative title of brother-in-law, and refers to the children of elder sister or younger sister. When "uncle-niece male (female)" is symmetrical, the children of married sisters are called nephews.

In modern society, nephews refer to the children of older brothers or younger brothers, and nephews also refer to the children of older sisters or younger sisters. Since family planning, many children are only children. Without brothers and sisters, you don't know your nephews and nieces.

1, with different definitions: nephew mainly refers to his own sister or sister's son. If a sister's child is a daughter, she is called a niece. Correspondingly, a brother's or younger brother's child is a nephew.

2, the relationship is different: nephew and himself are uncles, nephew and himself are uncles.

3. Different appellations: nephews generally call themselves "uncle" or "aunt", and nephews call themselves "uncle" or "aunt".