Arcana Coelestia #738
738. He is called 'a son of six hundred years' here because, as shown already, 'son' means intellectual truth. He is not however referred to as a son in verse 11 below because there the subject is his temptation as regards things of the will.
Holon, Jahazah, Mephaath, Dibon, Nebo, Beth-diblathaim, Kiriathaim, Beth-gamu, Beth-meon, Kerioth, Bozrah
In Jeremiah 48:21-26, these all signify the kinds of the false principle, whereby people who are called 'Moab and Ammon' adulterate goodness and extinguish truths.
(References: Arcana Coelestia 2468)