Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
11:4cumque iam esset senex depravatum est per mulieres cor eius ut sequeretur deos alienos nec erat cor eius perfectum cum Domino Deo suo sicut cor David patris eius
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.