Psalm 61:6
"Thou wilt prolong the king’s life: and his years as many generations."
Cross References (ranked by relevance)
Psalm 21:4
He asked life of thee, and thou gavest it him, even length of days for ever and ever.
Psalm 21:6
For thou hast made him most blessed for ever: thou hast made him exceeding glad with thy countenance.
Isaiah 53:10
Yet it pleased the LORD to bruise him; he hath put him to grief: when thou shalt make his soul an offering for sin, he shall see his seed, he shall prolong his days, and the pleasure of the LORD shall prosper in his hand.