Help you clarify the appellation between relatives, in this respect, I really do not know to look at the relation theorem: with your family name is generally the "Tang" name of relatives, different family names are basically "table" size, it is also very great! For me, there's something I really don't know, so no jokes.
Kinship appellation
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By direct blood
● Father's Line
◢ Great grandfather - great grandfather - grandfather - father
◢ Great grandmother - great grandmother - grandmother - father
● Maternal Line
◢ Grandfather - great-grandfather - grandfather - mother
◢ Grandmother - great-grandmother - grandmother - mother
◢ The first son of a married man.
◢ Daughter: first child of a married woman.
◢ The second generation of the husband and wife, according to sex and grandchildren. Sometimes grandson is a gender-neutral term.
◢ Great-grandson: the third child of a husband and wife.
◢ The fourth child of a husband and wife.
s
By collateral blood
● Father's Line
◢ Father's older brother, also known as uncle, uncle, uncle
◢ Aunt: Uncle's wife
◢ Father's younger brother, also known as uncle, uncle
◢ Aunt ◢ Uncle's wife
◢ The father's sister, also known as aunt, aunt
◢ Uncle ◢ Aunt's husband
● Maternal Line
◢ Mother's brother, also known as uncle
◢ Aunt: My uncle's wife
◢ Mother's sister, also called aunt, aunt
◢ Uncle: Aunt's husband
s
Relation by marriage
◢ Husband: a married woman's term for her partner
◢ Wife or daughter-in-law, the name of a married man for his partner
◢ Father of the husband, also called father
◢ Mother of the husband, also called mother
◢ Father-in-law, the wife's father, also called father
◢ Mother-in-law: mother-in-law, wife's mother, also called mother
◢ Daughter-in-law: Address to the wife of a son
◢ Son-in-law: Address to the husband of a daughter
◢ Term for a brother's wife
◢ Sister-in-law, sister-in-law: the name of the wife of a younger brother
◢ Brother-in-law: Address for the husband of an older sister
◢ Brother-in-law: Address for the husband of a younger sister
◢ A term or combination of brothers' wives
◢ Lapel: The name or collective name between the husbands of sisters, also known as lapel brothers
◢ Elder sister of a husband
◢ Term for the younger sister of a husband
◢ Brother of a wife
◢ Brother: Address for a wife's younger brother
◢ Elder sister of a wife
◢ Term for a wife's younger sister