For you, who is your uncle's son? For you, who is your mother's grandfather? For you, who is the other son of your mother? For you, who is your brother's son? For your mother, who is your brother? For you, who is your father's father? For you, who is your mother's brother? For your grandfather, who is your brother?
Cousin/primo, great grandfather/bisabuelo, brother/hermano, nephew/sobrino, son/hijo, grandfather/abuelo, uncle/tio, grandson/nieto