Genesis 36:24
And these are the children of Zibeon; both Ajah, and Anah: this was that Anah that found the mules in the wilderness, as he fed the asses of Zibeon his father. And these are the children of Zibeon; both Ajah, and Anah: this was that Anah that found the mules in the wilderness, as he fed the asses of Zibeon his father.
The surrounding genealogy is devoted entirely to Esau and to the peoples descended from him. It stands ten or eleven years after Jacob's blessing at Peniel. At that time Jacob was about one hundred nine years old, Joseph was seventeen, and Benjamin was a small child of two to four years.