Génesis 7

two by two, as God had commanded Noah. they went into the ark, male and female.

De dos en dos entraron á Noé en el arca: macho y hembra, como mandó Dios á Noé.

There went in two and two unto Noah into the ark, the male and the female, as God had commanded Noah.

went by pairs to Noah into the ship, male and female, as God commanded Noah.