Matthew 26:39

Going forward a short distance He fell on His face and prayed. "My Father," He said, "if it is possible, let this cup pass away from me; nevertheless, not as I will, but as Thou willest."

Matthew 27:46

but about three o'clock Jesus cried out in a loud voice, "Eli, Eli, lama sabachthani?" that is to say, "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
Going forward a short distance He fell on His face and prayed. "My Father," He said, "if it is possible, let this cup pass away from me; nevertheless, not as I will, but as Thou willest."
Matthew 27:46
but about three o'clock Jesus cried out in a loud voice, "Eli, Eli, lama sabachthani?" that is to say, "My God, My God, why hast Thou forsaken me?"