I hasn't got any brother的brother要不要加s?

I hasn't got any brother的brother要不要加s?
I hasn't got any brother的brother要不要加s?

I hasn't got any brother的brother要不要加s?
这个可加可不加的,要看上下文的具体语义才能判断,只有一句话,怎么判断呢?

可加可不加