Adam Clarke's Commentary on the Bible - Genesis 25:18
They dwelt from Havilah unto Shur - The descendants of Ishmael possessed all that country which extends from east to west, from Havilah on the Euphrates, near its junction with the Tigris, to the desert of Shur eastward of Egypt; and which extends along the isthmus of Suez, which separates the Red Sea from the Mediterranean. As thou goest toward Assyria - "These words," says Calmet, "may refer either to Egypt, to Shur, or to Havilah. The desert of Shur is on the road from Egypt to... read more
Adam Clarke's Commentary on the Bible - Genesis 25:16
These are their names - By which their descendants were called. Their towns - places of encampment in the wilderness, such as have been used by the Arabs from the remotest times. Their castles, טירתם tirotham , their towers, probably mountain tops, fortified rocks, and fastnesses of various kinds in woods and hilly countries. read more