Two words for every relative — the plain one for your own family, the polite one for somebody else's. Read each word aloud with its reading, then write it once on the line — in kana if you cannot yet write the kanji.
おとうさん noun
お父さん father (someone else's; or addressing yours)
おかあさん noun
お母さん mother (someone else's; or addressing yours)
あに noun
兄 (my) older brother
あね noun
姉 (my) older sister
おにいさん noun
お兄さん older brother (someone else's)
おねえさん noun
お姉さん older sister (someone else's)
おとうと noun
弟 younger brother
いもうと noun
妹 younger sister
きょうだい noun
兄弟 brothers and sisters, siblings
noun
おじいさん grandfather; old man
noun
おばあさん grandmother; old woman
noun
おじさん uncle; middle-aged man
noun
おばさん aunt; middle-aged woman