And the answers are...
How many cousins have you got? I don't have any cousins.
Who's the oldest person in your family? The oldest person on my family is my grandmother.
Who's the youngest in your family? The yougest person on my family is my son.
How many children have you got? I have one son.
Do you have any brothers and sisters? No, I don't have any brother or sister.
Do any of your relatives live in a foreign country? No, my relatives leave all in Portugal.