아내 – wife (humble)

마누라 – wife (humble)

부인 – wife (honorific)

남편 – husband

자기 – often used by newlyweds to each other

여보 – used by married couples to each other

당신 – often used by married couples (formal term)

아들 – used for your own son

아드님 – used for other people’s son

맏아들 – first son

첫아들 – first born son

둘째 아들 – second son

외아들 – only son

딸 – daughter (used for your own daughter)

따님 – daughter (used for other people’s daughter)

맏딸 – first born daughter

첫딸 – first born daughter

둘째 딸 – second daughter

외딸 – only daughter

아기 – baby

아이 – child