"Moreover, in the book of Exodus we have also perceived that the name of God Himself which, He says, was not revealed to Abraham or to Jacob, was Jesus, and was declared mysteriously through Moses. Thus it is written: 'And the Lord spake to Moses, Say to this people, Behold, I send My angel before thy face, to keep thee in the way, to bring thee into the land which I have prepared for thee. Give heed to Him, and obey Him; do not disobey Him. For He will not draw back from you; for My name is in Him.'
Now understand that He who led your fathers into the land is called by this name Jesus, and first called Auses (Oshea).
For if you shall understand this, you shall likewise perceive that the name of Him who said to Moses, 'for My name is in Him,' was Jesus. For, indeed, He was also called Israel, and Jacob's name was changed to this also. [Justin Dialogue 75]
No one can possibly read Exodus 23:16 -20 as a witness to Joshua. It is universally understood to refer to a heavenly being - the very same being, here, who changed Jacob's name to Israel. The reference to Joshua which interrupts the original train of thought was added by a later editor. It simply doesn't fit the original understanding. One of many signs - as we have already shown - of tampering at the end of the second century.
dating back to conversations with his grandfather, Gaston Frank. "He said we represent one of the last descendants of the Frankist Jewish faith in the world," he muses. "I grew up thinking that our family was something like the Last of the Mohicans."