Janet is a name. Names can't be translated into other languages, but they can be spelled phonetically in other languages. In Japanese, Janet is spelled ジャネット
ルイス
"shein"
kendra
Rinjii
Kenjii
ダイアン
キム
It is: ヒルトン
It's Japanese reading of 'Leticia'.
Mary, the name, is "mari" in Japanese.
It can be written: ファイック
クリスタル Kurisutaru