He's your mother's son,but he is your brother That's_____

He's your mother's son,but he is your brother That's_____ He's youir father'son ,but he's not your brother.Who's he?He He isn't your father,but your mother's.Who is he? he is your mother is son（ 儿子） ,but he is not your bother tha he is my father's son.but he's not my brother.who is he? Tom's mother is your aunt,He is your _______. Question:He is my father's son.But he is not my brother.Who Where's your brother?He's ( ) Hefei is your friend that brother's Look at that man .He `s my____(mother) brother. Tom is my mother's brother.he is my __________. Is he your brother 是什么意思