וַיַּכֵּ֥ר יוֹסֵ֖ף אֶת־אֶחָ֑יו וְהֵ֖ם לֹ֥א הִכִּרֻֽהוּ׃
Tak poznał Josef braci swoich, oni zaś nie poznali go.
Targum Jonathan on Genesis
Now Joseph recognised his brethren, because, when separated from them, they had the token of the beard; but they did not recognise him, because (at that time) he had not the token of the beard, and at this hour he had it.