is the brother of
Tom es el hermano de Mary.
Tom is Mary's brother.
Un tío es el hermano de tu padre o de tu madre.
An uncle is your father's or mother's brother.
Es el hermano de Taro.
He is Taro's brother.
Tom es el hermano de Mary, no su padre.
Tom is Mary’s brother, not her father.
Tom no es el hermano de Mary.
Tom is not Mary's brother.
Nadie creería que es el hermano de Yohan.
No one would believe that he is Yohan's brother.
— Estrellas en la Tierra (2007)