That boy, whose hair is red, is my brother.
That boy, whose hair is red, is my brother.
あの少年は, 髪の毛の赤い少年ですが, 私の兄[弟]です.
This is Paul, whose brother Mike you met yesterday.
This is Paul, whose brother Mike you met yesterday.
こちらポールです. 兄[弟]のマイクには昨日お会いになりましたね.