John Wesley on 2 Samuel 19:17

With him - Whom he brought, partly to shew his interest in the people, and partly, as intercessors on his behalf, and as witnesses of David's clemency or severity, that in him they might see what the rest of them might expect. Ziba - Who, being conscious of his former abuse of David, and of his master Mephibosheth, which he knew the king would understand, designed to sweeten David's spirit towards him, by forwardness in meeting him.