And when the people were gathered thick together, he began to say, This is an evil generation: they seek a sign; and there shall no sign be given it, but the sign of JONAS the prophet. For as JONAS was a sign unto the Ninevites, so shall also the Son of man be to this generation. ( Luke 11:29-30 )

Source: A King James Dictionary. (Used with permission. Copyright © Philip P. Kapusta)

Bibliography Information

"Entry for 'Jonas'". A King James Dictionary.