家人和亲人 ( jiā rén hé qīn rén)  family and relative

elder brother/ (younger brother) 
uncle's or aunt 's son (father side)

táng gē/ (táng dì)
堂    哥/  （堂   弟）

elder sister /(younger sister) 
uncle's or aunt's daughter (father side)

táng jiě/ (táng mèi)
堂    姐/（堂     妹）

elder brother/ (younger brother) 
uncle's or aunt's son (mother side)

biǎo gē/ (biǎo dì)
表    哥/（表    弟）

elder sister/ (younger sister) 
uncle's or aunt's daughter (mother side)

biǎo jiě/ (biǎo mèi)
表    姐/（表    妹）