Romans 9:10

Οὐ μόνον δέ, ἀλλὰ καὶ Ῥεβέκκα ἐξ ἑνὸς κοίτην ἔχουσα, Ἰσαὰκ τοῦ πατρὸς ἡμῶν-

Oy monon de, alla kai Rebekka ex enos koitēn echoysa, Isaak toy patros ēmōn-

King James Version (KJV)

And not only this; but when Rebecca also had conceived by one, even by our father Isaac;

Modern English

Not only that, but Rebekah's children were conceived at the same time by our father Isaac.