'House of Judah' in the Bible

And Rehoboam came to Jerusalem and gathered a hundred and eighty thousand chosen warriors from the house of Judah, to fight against Israel, so that he might bring the kingdom again to Rehoboam.

And behold, Amariah the chief priest is over you in all matters of Jehovah. And Zebadiah the son of Ishmael is the ruler of the house of Judah for all the king's matters. Also the Levites shall be officers before you. Take courage and act, and Jehovah shall be with the good.

And Athaliah the mother of Ahaziah saw that her son was dead, and she arose and spoke to destroy all the royal seed of the house of Judah.