The father of your father is your...
abuelo
The sister of your mother is your...
tia
Your brother's mother is your...
madre
Your uncle's son is your...
primo
Your aunt's children are your...
primos
Your father's brother is your...
tio
The daughter of your grandparents and wife of your father is your...
madre
Your mother's husband is your...
padre
Your father's mother or father is your...
abuelo/a
Your sister's brother is your...
hermano
Your wife's son is your...
hijo
Your sister's daughter is your...
sobrina
Your father's mother is your...
abuela
Your mother is my mum. Your father is my dad. I'm your…
hermano/a
You are the son of my son. You are my…
nieto
My mum and your mum are sisters. I am your…
primo/a
