bà ba (informal) father

mā ma mama; mommy; mother

yé ye (coll.) father's father; paternal grandfather

nǎi nai (informal) grandma (paternal grandmother); (respectful) mistress of the house; (coll.) boobies; breasts

wài gōng (coll.) mother's father; maternal grandfather

wài pó (coll.) mother's mother; maternal grandmother

gē ge older brother

jiě jie older sister

dì di younger brother

mèi mei younger sister; young woman

bó bo father's elder brother; uncle

shū shu father's younger brother; uncle; Taiwan pr. [shu2 shu5]

gū gu paternal aunt

jiù jiu mother's brother; maternal uncle (informal)

ā yí maternal aunt; step-mother; childcare worker; nursemaid; woman of similar age to one's parents (term of address used by child)