Isaiah 56:5

A name better than. According to the Hebrews a man’s ultimate earthly happiness depended upon having one or more sons through whom the family name and inheritance might be preserved (see on Matt. 1:1). Leaving no posterity, a eunuch might fear that his name and inheritance would be lost in Israel. However, God promises such persons who remain faithful to Him something far better than children, that is, new names (Rev. 2:17), and the assurance that their names will be inscribed in the book of life (Rev. 3:5).

Physical handicaps in no way affect a man’s standing before God. He is concerned only with character and fidelity to principles of righteousness and truth.

Everlasting name. That is, one unaffected by physical handicaps or other conditions beyond a man’s control.