'Themselves' in the Bible

Then the eyes of both of them were opened, and they knew that they [were] naked. And they sewed together fig leaves and they made for themselves coverings.

Then they heard the sound of Yahweh God walking in the garden {at the windy time of day}. And the man and his wife hid themselves from the presence of Yahweh God among the trees of the garden.

Then the sons of God saw the daughters of humankind, that they [were] beautiful. And they took for themselves wives from all that they chose.

And Abram and Nahor took wives for themselves. The name of the wife of Abram [was] Sarai, and the name of the wife of Nahor [was] Milcah, the daughter of Haran, the father of Milcah and Iscah.

Then Abraham set [off] seven ewe-lambs of the flock by themselves.

And Abimelech said to Abraham, "What [is the meaning of] these seven ewe-lambs that you have set [off] by themselves?"

And they served him by himself, and them by themselves, and the Egyptians who were eating with him by themselves, for Egyptians {could not dine} with Hebrews, because that [was] a detestable thing to Egyptians.