Numbers 13:22, 28, 33

When they had gone up into the Negev (the South country), they came to Hebron; and Ahiman, Sheshai, and Talmai the descendants of Anak were there. (Now Hebron was built seven years before Zoan in Egypt.)

But the people who live in the land are strong, and the cities are fortified (walled) and very large; moreover, we saw there the descendants of Anak [people of great stature and courage].

There we saw the Nephilim (the sons of Anak are part of the Nephilim); and we were like grasshoppers in our own sight, and so we were in their sight.”