OT-HISTORY.filter - kjv lengthen:

kjv@Deuteronomy:25:15 @ But thou shalt have a perfect and just weight, a perfect and just measure shalt thou have: that thy days may be lengthened in the land which the LORD thy God giveth thee.

kjv@1Kings:3:14 @ And if thou wilt walk in my ways, to keep my statutes and my commandments, as thy father David did walk, then I will lengthen thy days.