Close family

8
爸爸 bàba dad
妈妈 māma mom
父亲 fùqīn father (formal)
母亲 mǔqīn mother (formal)
哥哥 gēge older brother
弟弟 dìdi younger brother
姐姐 jiějie older sister
妹妹 mèimei younger sister

Grandparents

4

Mandarin distinguishes paternal and maternal sides — no single English equivalent.

爷爷 yéye paternal grandfather
奶奶 nǎinai paternal grandmother
外公 wàigōng maternal grandfather (外 = "outside" (maternal side))
外婆 wàipó maternal grandmother

Uncles and aunts

5
叔叔 shūshu paternal uncle (father's younger brother)
伯伯 bóbo paternal uncle (father's older brother)
舅舅 jiùjiu maternal uncle
姑姑 gūgu paternal aunt
阿姨 āyí maternal aunt

Couple and children

7
丈夫 zhàngfu husband
妻子 qīzi wife
老公 lǎogōng hubby (casual)
老婆 lǎopó wifey (casual)
孩子 háizi child
儿子 érzi son
女儿 nǚ'ér daughter