Lord
'Adonay (ad-o-noy')
the Lord (used as a proper name of God only) -- (my) Lord.
where are thy former
ri'shown (ree-shone')
first, in place, time or rank (as adjective or noun) -- ancestor, (that were) before(-time), beginning, eldest, first, fore(-father) (-most), former (thing), of old time, past.
lovingkindnesses
checed (kheh'-sed)
kindness; by implication (towards God) piety: rarely (by opposition) reproof, or (subject.) beauty
which thou swarest
shaba` (shaw-bah')
propr. to be complete; to seven oneself, i.e. swear (as if by repeating a declaration seven times)
unto David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
in thy truth
'emuwnah (em-oo-naw')
literally firmness; figuratively security; morally fidelity -- faith(-ful, -ly, -ness, (man), set office, stability, steady, truly, truth, verily.