1 Kings 16:11 in the King James Version
And it came to pass, when he began to reign, as soon as he sat on his throne, that he slew all the house of Baasha: he left him not one that pisseth against a wall, neither of his kinsfolks, nor of his friends.
Context
10 and Zimri went in and struck him and killed him in the twenty-seventh year of Asa king of Judah, and reigned in his place.
11 When he began to reign, as soon as he sat on his throne, he attacked all the house of Baasha. He didn’t leave him a single one who urinates on a wall among his relatives or his friends.
12 Thus Zimri destroyed all the house of Baasha, according to the LORD’s word which he spoke against Baasha by Jehu the prophet,