I don't have siblings. I know the MBTI of some of my cousins though.
Cousins from my mother's sides -
ENFP sister
ISTJ sister (could be INTJ, not sure)
ISTP brother
ENTJ brother
Cousins from my father's side (whose type I know):
ISFP brother
Fe Dom sister x 2
ISTJ brother x 2
ESTJ brother