The people closest to you — parents, siblings, grandparents, and the rest.

• ibumotherstandard/polite; also a respectful title for an adult woman
• ayahfatherstandard; 'bapak' (or 'pak') is also common and used as a respectful title for a man
• kakakolder siblinggender-neutral; Indonesian splits siblings by age, not gender. Often shortened to 'kak'
• adikyounger siblinggender-neutral; younger brother or sister
• kakak laki-lakiolder brotherliterally 'older sibling' + 'male'; add gender word when you need to specify
• kakak perempuanolder sisterliterally 'older sibling' + 'female'
• adik laki-lakiyounger brotherliterally 'younger sibling' + 'male'
• adik perempuanyounger sisterliterally 'younger sibling' + 'female'
• nenekgrandmotherboth maternal and paternal
• kakekgrandfatherboth maternal and paternal
• anak perempuandaughterliterally 'child' + 'female'; 'anak' alone means 'child'
• anak laki-lakisonliterally 'child' + 'male'
• bibiauntmaternal or paternal; 'tante' (from Dutch) is very common in everyday speech
• pamanunclematernal or paternal; 'om' (from Dutch) is very common in everyday speech
• keluargafamily
• orang tuaparentsliterally 'old people'; the standard word for one's parents
• saudarasibling(s) / relativegender-neutral; can mean sibling or relative more broadly. 'saudara kandung' = blood/full sibling
• sepupucousingender-neutral; same for male or female
• bayibaby
• suamihusband
• istriwifealso spelled 'isteri'