2 Samuel 9:9-10

9Then the king summoned Ziba, Saul’s servant, and said to him, “I have given your master’s grandson everything that belonged to Saul and to all his house (family).

10You and your sons and your servants shall cultivate the land for him, and you shall bring in the produce, so that your master’s grandson may have food to eat; but Mephibosheth, your master’s grandson, shall always eat at my table.” Now Ziba had fifteen sons and twenty servants.