noun which may take the genitive case particle 'no'
Jewish; of Jewish descent
Used as a no-adjective to describe people, families, or things connected to Jewish ethnicity or heritage.
彼はユダヤ系の家庭に生まれた。
He was born into a Jewish family.
ユダヤ系の料理を食べたことがありますか。
Have you ever eaten Jewish cuisine?