YOU SAID:
While being the most famous of the Potters, Harry Potter is not a potter. In fact, he is just another one of the Potters.
INTO JAPANESE
ハリー・ポッターはポッター家の中で最も有名ですが、陶芸家ではありません。実際、彼はポッターの一人にすぎません。
BACK INTO ENGLISH
Harry Potter is the most famous of the Potter family, but he is not a potter. In fact, he's just one of the Potters.
INTO JAPANESE
ハリー・ポッターはポッター家の中で最も有名ですが、彼は陶芸家ではありません。実際、彼はポッターの一人にすぎません。
BACK INTO ENGLISH
Harry Potter is the most famous of the Potter family, but he is not a potter. In fact, he's just one of the Potters.
Well done, yes, well done!