Naming convention:

Li Wei = In many eastern cultures the family name is written first, followed by the given name. Here Li is the family name. Wei is his given name.

Familial terms and honorifics:

Da-jie = Eldest sister. A formal term.

Er-jie = Second sister. A formal term.

Ge = Older brother. Can also be used for older male acquaintances.

Given name + ge = This is how one addresses one's older brother. Can also be used for older male acquaintances. Ex: Wei-ge.

Jie = Older sister. Can also be used for older female acquaintances.

Given name + jie = This is how one addresses one's older sister. Can also be used for older female acquaintances. Ex: Fen-jie, Hua-jie.

Jie-fu = Brother-in-law, older sister's husband.

Terms of endearment and petnames:

Baobei = Baby, treasure.

Name doubling = Doubling a person's given name can create a pet name that shows affection and endearment. Ex: Weiwei, Meimei, Jingjing.

Xiao = Little

Xiao + given name = This is how someone older addresses someone younger. Ex: Xiao-Wei, Xiao-Mei, Xiao-Jing, Xiao-Na, Xiao-Yue.