What Is Jona in the Bible?
Person
The father of Simon Peter. In John 1:42 he is called John, and in Matthew 16:17 he is called Jonah. These are two different traditions about his name. The Douay-Rheims Bible writes “Jona.”
Where it appears in the Bible
John 1:42; Matthew 16:17
What the Bible says
John 1:42
And he brought him to Jesus. And Jesus looking upon him, said: Thou art Simon the son of Jona: thou shalt be called Cephas, which is interpreted Peter.
Matthew 16:17
And Jesus answering, said to him: Blessed art thou, Simon Bar-Jona: because flesh and blood hath not revealed it to thee, but my Father who is in heaven.
Douay-Rheims Bible (Challoner revision), public domain.
Source: John 1:42 and its NABRE note; Matthew 16:17