8 Esau then realized how displeasing the Canaanite women were to his father Isaac;

Read Genesis 28:8 Using Other Translations

And Esau seeing that the daughters of Canaan pleased not Isaac his father;
So when Esau saw that the Canaanite women did not please Isaac his father,
It was now very clear to Esau that his father did not like the local Canaanite women.