Encyclopaedia Britannica, 11th Edition, "Helmont, Jean" to "Hernosand"

part in a quarrel which had arisen on the death of Henry V., the

childless count palatine of the Rhine. About this time the relations between Frederick and his son began to be somewhat strained. The emperor had favoured the Austrian marriage because Margaret's brother, Duke Frederick II., was childless; but Henry took up a hostile attitude towards his brother-in-law and wished ...