First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
17:13abierunt autem tres filii eius maiores post Saul in proelium et nomina trium filiorum eius qui perrexerant ad bellum Heliab primogenitus et secundus Abinadab tertiusque Samma
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.