Which one of David'd sons tried to make himself king and what happend?

David's son Absalom attempted to make himself king by leading a rebellion against his father. He garnered support from many Israelites and even captured Jerusalem, but David's loyalists eventually defeated Absalom's forces. During the conflict, Absalom was killed by Joab, David's general, despite David's wishes for him to be spared. This tragic outcome deeply saddened David, highlighting the personal and familial strife within his reign.