'The son of a cow' signifies the celestial natural level and natural exterior good.

(Odkazy: Arcana Coelestia 2184 [1-7], 4244)

6360. 'I will divide them in Jacob' means that they are to be banished from the natural man. This is clear from the meaning of 'dividing' or cutting off as separation and removal from truth and good, dealt with in 4424, thus a banishment; and from the representation of 'Jacob' as the natural or external man, dealt with in 3305, 3576, 4286, 4292, 4570, 6236.