'Two' in the Bible

And it came to pass in the days when the judges judged, that there was a famine in the land. And a certain man of Bethlehem-judah went 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 both of them; and the woman was left of her two children and of her husband.

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

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

So they two went until they came to Bethlehem. And it came to pass, when they were come 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 is come into thy house like Rachel and like Leah, which two did build the house of Israel: and do thou worthily in Ephrathah, and be famous in Bethlehem: