Matthew 26:39

And going a little farther, he fell on his face and prayed, saying, O my Father, if it be possible, let this cup pass from me; yet not as I will, but as thou wilt.

Matthew 27:46

And about the ninth hour, Jesus cried with a loud voice, saying, Eli, Eli, lama-sabachthani? That is, My God, my God, why hast thou forsaken me?

Treasury of Scripture Knowledge

Summary

O my God, my soul is cast down within me: therefore will I remember thee from the land of Jordan, and of the Hermonites, from the hill Mizar.

Bible References

My god

Matthew 26:39
And going a little farther, he fell on his face and prayed, saying, O my Father, if it be possible, let this cup pass from me; yet not as I will, but as thou wilt.
Matthew 27:46
And about the ninth hour, Jesus cried with a loud voice, saying, Eli, Eli, lama-sabachthani? That is, My God, my God, why hast thou forsaken me?