Let Asher be blessed with children. — It can be translated “more blessed than all sons.” Rashi quotes an old saying, “You will not find among all the tribes one so blest with children as Asher, and I cannot say why.”
Let him be acceptable to his brethren, and... dip his foot in oil. — The fertility of Asher’s inheritance is probably alluded to. There is no tribe of which so little is recorded in history. The happiest lives are sometimes the least eventful.