'Two' in the Bible

And it came to pass in the days when the judges ruled, that there was a famine in the land. And a certain man went from Bethlehem-Judah, to sojourn in the country of Moab, he, and his wife, and his two sons.

And the name of the man was Elimelech, and the name of his wife Naomi, and the name of his two sons Mahlon and Chilion, Ephrathites of Bethlehem-Judah. And they came into the country of Moab, and continued there.

And Elimelech Naomi's husband died; and she was left, and her two sons.

And Mahlon and Chilion died also, both of them; and the woman was left of her two children and of her husband.

Wherefore she went forth out of the place where she had been, and her two daughters-in-law with her; and they went on the way to return to the land of Judah.

And Naomi said to her two daughters-in-law, Go, return each to her mother's house. Jehovah deal kindly with you, as ye have dealt with the dead and with me.

And they two went until they came to Bethlehem. And it came to pass, when they came to Bethlehem, that all the city was moved about them, and the women said, Is this Naomi?

And all the people that were in the gate and the elders said, We are witnesses. Jehovah make the woman that cometh into thy house like Rachel and like Leah, which two did build the house of Israel; and acquire power in Ephratah, and make thyself a name in Bethlehem;