2 Samuel 16:3

16:3 The king asked, “Where is your master’s grandson?” Ziba replied to the king, “He remains in Jerusalem, for he said, ‘Today the house of Israel will give back to me my grandfather’s kingdom.’”

2 Samuel 19:24

19:24 Now Mephibosheth, Saul’s grandson, came down to meet the king. From the day the king had left until the day he safely returned, Mephibosheth had not cared for his feet nor trimmed his mustache nor washed his clothes.