This is the name of two Biblical men.
“Jonas” is the Greek transliteration of “Jonah” (Matthew 12:39-41, etc.).
Jonas, the father of the apostles Peter (John 21:15-17) and Andrew
also known as: John, Jonah or Jona
The reading should be (also in John 1:42), as in the Revised King James Version, “John,” instead of Jonas.