Matthew 26:39

Then advancing a little further, he fell prostrate in prayer, and said, "O my father, if it be possible, let this cup pass from me: nevertheless not mine, but thy will be done."

Matthew 26:42

again, he went away the second time, and prayed thus, "O my father, if I cannot avoid drinking this cup, thy will be done."

John 18:11

then said Jesus to Peter, sheath thy sword: the cup which my father hath given me, shall I not drink it?

Romans 8:15

for the spirit you have received is not servile to keep you still in fear; but it is the spirit of adoption, whereby we cry Abba, that is, father.

Treasury of Scripture Knowledge

Summary

And Isaac spake unto Abraham his father, and said, My father: and he said, Here am I, my son. And he said, Behold the fire and the wood: but where is the lamb for a burnt offering?

Bible References

My father

Matthew 26:39
Then advancing a little further, he fell prostrate in prayer, and said, "O my father, if it be possible, let this cup pass from me: nevertheless not mine, but thy will be done."
John 18:11
then said Jesus to Peter, sheath thy sword: the cup which my father hath given me, shall I not drink it?
Romans 8:15
for the spirit you have received is not servile to keep you still in fear; but it is the spirit of adoption, whereby we cry Abba, that is, father.