How many children did king david have with coccubines?

King David had several children with his concubines, although the exact number is not definitively stated in the biblical texts. Notably, 2 Samuel 5:13-16 mentions that he had sons born in Jerusalem, and other sources suggest he had additional sons with concubines mentioned elsewhere in the scriptures. Overall, it is generally believed that he had at least ten children with his concubines, in addition to the children he had with his wives, including Bathsheba.