Here is a list I found. But sorry, I can't really remember the original post :(
谢谢你!太好了!在北部,姥姥,老爷-- 大概会这么说吧?
Thank you! So helpful!
侄子 the sons of your brothers
侄女 the daughters of your brothers
外甥 the sons of your sisters
外甥女 the daughters of your sisters
連襟 the husbands of sisters are 連襟 to each other
妯娌 the wives of brothers are 妯娌 to each other
These are words for some close relatives, and there are more words for remote relatives.
堂哥 the sons of the brothers of father who are older than yourself
堂嫂 the wives of the sons of the brothers of father who are older than youself
堂弟 the sons of the brothers of father who are younger than yourself
堂弟妹 the wives of the sons of the brothers of father who are younger than yourself
堂姐 the daughters of the brothers of father who are older than yourself
堂姐夫 the husbands of the daughters of the brothers of father who are older than yourself
堂妹 the daughters of the brothers of father who are younger than yourself
堂妹夫 the husbands of the daughters of the brothers of father who are younger than yourself
表哥, 表嫂, 表弟, 表弟妹, 表姐, 表姐夫, 表妹, 表妹夫 similar things with all the “堂X”-s, except these are either from the mother’s family or the family of father’s sisters
爺爺 the father of father
奶奶 the mother of father
外公 the father of mother
外婆 the mother of mother
伯父 the elder brothers of father
伯母 the wives of the elder brothers of father
叔叔 the younger brothers of father
嬸嬸 the wives of the younger brothers of father
姑媽 the sisters of father
姑父 the husbands of the sisters of father
舅舅 the brothers of mother
舅媽 the wives of the brothers of mother
姨媽 the sisters of mother
姨父 the husbands of the sisters of mother
哥哥 the elder brothers
嫂子 the wives of the elder brothers
弟弟 the younger brothers
弟妹 the wives of the younger brothers
姐姐 the elder sisters
姐夫 the husbands of the elder sisters
妹妹 the younger sisters
妹夫 the husbands of the younger sisters