a) Your mother's brother is your uncle.
b) Your father's sister is your aunt.
c) Your father's brother is your uncle.
d) Your father is your grandmother's son.
e) Your sister is your father's daughter.
f) Your brother is your mother's son.
g) Your mother's daughter is your sister.
b) aunt (тётя)
с) uncle (дядя)
d) son (сын)
e) daughter (дочь)
f) son (сын)
g) sister (сестра)