Easterners
... that the Easterners split into the Southerners and Northerners, they themselves having split from the Sarim?
... that the <b id="mwDc8"><a href="./Easterners_(Korean_political_faction)" id="mwDdA" rel="mw:WikiLink" title="Easterners (Korean political faction)">Easterners</a></b> <i id="mwDdE">(pictured)</i> split into the Southerners and Northerners, they themselves having split from the <a href="./Sarim" id="mwDdI" rel="mw:WikiLink" title="Sarim">Sarim</a>?