Genesis 25:18

¹⁸ and they tabernacle from Havilah unto Shur, which [is] before Egypt, in [thy] going towards Asshur; in the presence of all his brethren hath he fallen.

Ishmael

'Ishmael' signifies the Lord's merely human rational and rationality separate from good.

In Genesis 25:12, 'Ishmael' signifies the spiritual church.