Everyone in Israel came and mourned at his funeral, just as the LORD's servant Ahijah had said.
Everyone in Israel will mourn at his funeral. But he will be the last one from Jeroboam's family to receive a proper burial, because he's the only one the LORD God of Israel is pleased with.
Everything else Jeroboam did while he was king, including the battles he won, is written in The History of the Kings of Israel.