Make this paragraph more coherent.
While Njord was with the Vanaland people he had taken his own sister in marriage, for that was allowed by their law ; and their children were Frey and Freya. Among the Asaland people it was forbidden to intermarry with such near relations.
While Njord was with the Vanaland people he had taken his own sister in marriage, for that was allowed by their law ; and their children were Frey and Freya. But among the Asaland people it was forbidden to intermarry with such near relations.