great grandparents: 曾祖父（爷爷’s father）+曾祖母(爷爷’s mother)& 外曾祖父(奶奶’s father)+外曾祖母（奶奶’s mother）
great grand father: 曾祖父（爷爷’s father）/外曾祖父(奶奶’s father)
great grand mother: 曾祖母(爷爷’s mother)/ 外曾祖母（奶奶’s mother）
grand parents: 爷爷(father’s father)+ 奶奶(father’s mother)& 外公(mother’s father)+ (mother’s mother)
grandfather: 爷爷(father’s father)/外公(mother’s father)
grandmother:奶奶(father’s mother)/外婆(mother’s mother)
parents:爸爸（father）+妈妈(mother)
father:爸爸（also called “父亲”）
mother:妈妈(also called “母亲”)
uncle: 伯伯（father’s elder brother）/叔叔(father’s younger brother)/舅舅(mother’s brother)/姑丈（husband of one’s paternal aunt）/姨丈(husband of one’s maternal aunt) aunt:姑妈(father’s sister)/姨妈（mother’s sister）/伯母（wife of one’s father’s elder brother）/婶婶(wife of one’s father’s younger brother)/舅妈(wife of one’s mother’s brother)
brother:哥哥（elder brother）+弟弟(younger brother)
sister:姐姐（elder sister）+妹妹(younger sister)
sibling:兄弟姐妹
brother in law:哥哥、弟弟& 嫂子、弟妹
sister in law:姐姐、妹妹& 姐夫、妹夫
cousin:堂兄(elder brother who is one’s paternal uncle’s son)/堂弟(younger brother who is one’s paternal uncle’s son)/堂姐(elder sister who is one’s paternal uncle’s daughter)/堂妹(elder sister who is one’s paternal uncle’s daughter)/表兄(elder brother who is one’s paternal aunt’s son, or one’s maternal uncle’s son, or one’s maternal aunt’s son)/表弟(younger brother who is one’s paternal aunt’s son, or one’s maternal uncle’s son, or one’s maternal aunt’s son)/表姐(elder sister who is one’s paternal aunt’s daughter, or one’s maternal uncle’s daughter, or one’s maternal aunt’s daughter)/表妹(elder sister who is one’s paternal aunt’s daughter, or one’s maternal uncle’s daughter, or one’s maternal aunt’s daughter)
cousin in law:堂嫂(wife of the elder brother who is one’s paternal uncle’s son)/堂弟妹(wife of the younger brother who is one’s paternal uncle’s son)/堂姐夫(husband of the elder sister who is one’s paternal uncle’s daughter)/堂妹夫(husband of the younger sister who is one’s paternal uncle’s daughter)/表嫂(wife of the elder brother who is one’s paternal aunt’s son, or one’s maternal uncle’s son, or one’s maternal aunt’s son)/表弟妹(wife of the younger brother who is one’s paternal aunt’s son, or one’s maternal uncle’s son, or one’s maternal aunt’s son)/表姐夫(husband of the elder sister who is one’s paternal aunt’s daughter, or one’s maternal uncle’s daughter, or one’s maternal aunt’s daughter)/表妹夫(husband of the elder sister who is one’s paternal aunt’s daughter, or one’s maternal uncle’s daughter, or one’s maternal aunt’s daughter)
father in law: 岳父（wife’s father）/公公(husband’s father)
mother in law: 岳母(wife’s mother)/婆婆(husband’s mother)
wife:妻子(also called 老婆)
