2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
11:21And Rehoboam loved Maachah the daughter of Absalom above all his wives and his concubines; for he had taken eighteen wives and sixty concubines, and he begot twenty-eight sons and sixty daughters.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.