3 Bible Verses about Twins

And after three months stay we sailed in a ship which had wintered in the island, from Alexandria, whose sign was Castor and Pollux:

Simon Peter, and Thomas called Didymus, the twin, and Nathaniel who was of Cana of Galilee, and the sons of Zebedee, and two others of the disciples were together.

And not only so; but when Rebecca also had conception by one, even Isaac our father; (though the children were not yet born, nor had done any thing good or evil, that according to the election of God the purpose might abide, not from works, but from him who called;) it was said unto her, "That the elder shall be servant to the younger."read more.
As it is written, "Jacob have I loved, but Esau have I hated." What shall we say therefore? Is there unrighteousness with God? God forbid. For he saith to Moses, "I will have mercy on whom I will have mercy, and I will have compassion on whom I will have compassion." Well then, it is not of him that willeth, nor of him that runneth, but of God who sheweth mercy.