This is my uncle.He is my aunt撇s (husband 丈夫 )
I am only child in my family.I don撇t have any (brothers 兄弟 ) or (sisters 姐妹 )
Your son and daughters are your (children 孩子 )
Your mother or father撇s brother is your (uncle 叔叔 )
They are my (cousins 表/堂姐/妹 ) They are my aunt撇s sons (daughters 女儿 )
Your dather and mother撇s parents are your (grandparents 祖父母,外祖父母 )
加油!不明白再问!