Elvish transalation(Ps. I have made my own words for some were not to be found. Uncle is one.)
Sindarin:
Ellon/ ellyn – Male elf/elves
Elleth/ellith – Female elf/elves
Adar/ada – Father/daddy
Muindor – Brother
Adarhawn – Father's brother
Nin hen – My child
Othar - Warrior
Quenya:
Atar – Father Haru - Grandfather
Amil – Mother Haruni - Grandmother
Fwir - Sister's daughter (niece) Siel - Granddaughter
Amiltoron – Mother's brother (uncle)
Yonyo – Boy
Onwe – Child
Indyo - Grandchild