Ezekiel 23:4

23:4 Oholah was the name of the older and Oholibah the name of her younger sister. They became mine, and gave birth to sons and daughters. Oholah is Samaria and Oholibah is Jerusalem.

Jeremiah 3:8

3:8 She also saw that I gave wayward Israel her divorce papers and sent her away because of her adulterous worship of other gods. Even after her unfaithful sister Judah had seen this, she still was not afraid, and she too went and gave herself like a prostitute to other gods.