Older Brother
shoondee - my older brother
noondee - your older brother
voondee - his/her older brother
diinoondee - our older brother
nakhwoondee - you alls older brother
goovoondee - their older brother

Younger Brother
shachaa - my younger brother
nachaa - your younger brother
vachaa - his/her younger brother
diichaa - our younger brother
nakhwachaa - you alls younger brother
goochaa - their younger brother

Nachaa gwànlįį? - Do you have a younger brother/s?
Aaha', shachaa gwànlįį Odin ts'a' Hassan goovoozhri' - Yes, I have younger brothers, Odin and Hassan.

Sally voondee Gerald oozhii. - Sally's older brother is Gerald.