爸爸

What is your father's father's name? Your father's father is called Grandpa. What is your father's mother's name? Your father's mother is called Grandma. What is your father's older brother's name? Your father's older brother is called Uncle. What is your father's younger brother's name? Your father's younger brother is called Uncle. What is your father's sister's name? Your father's sister is called Aunt.