4291. In the internal historical sense 'he said to him, What is your name? And he said, Jacob' means that they were the descendants of Jacob - together with their essential nature. This becomes clear from the meaning of 'name' as the essential nature, dealt with in 144, 145, 1754, 1896, 2009, 2724, 3006, and from the meaning of 'Jacob' as Jacob's descendants, dealt with above in 4281.
Numbers 14:20-23
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Yahweh said, "I have pardoned according to your word:
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but in very deed, as I live, and as all the earth shall be filled with the glory of Yahweh;
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because all those men who have seen my glory, and my signs, which I worked in Egypt and in the wilderness, yet have tempted me these ten times, and have not listened to my voice;
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surely they shall not see the land which I swore to their fathers, neither shall any of those who despised me see it:
