<p>3:28 <i>The son of Melchi, the son of Addi, the son of Cosam, the son of Elmadam, the son of Er</i>- From verses 28 to 31 we have 20 names; Matthew for the same period has 14, demonstrating that the genealogies do not cover every generation; &quot;son of&quot; can mean grandson or descendant of. Those named are clearly for a purpose.</p>