Gen 7:2

מִכֹּ֣ל הַבְּהֵמָ֣ה הַטְּהוֹרָ֗ה תִּֽקַּח־לְךָ֛ שִׁבְעָ֥ה שִׁבְעָ֖ה אִ֣ישׁ וְאִשְׁתּ֑וֹ וּמִן־הַבְּהֵמָ֡ה אֲ֠שֶׁר לֹ֣א טְהֹרָ֥ה הִ֛וא שְׁנַ֖יִם אִ֥ישׁ וְאִשְׁתּֽוֹ׃

You are to take with you seven pairs of every kind of clean animal, a male and its mate; a pair of every kind of unclean animal, a male and its mate;