[37] The name of this German family comes from that of their castle in southwestern Swabia.
[38] It survived in name until 1806 A.D., when the Austrian ruler, Francis II, laid down the imperial crown and the venerable title of "Holy Roman Emperor."
[39] Hapsburg as the name of a castle in northern Switzerland.
[40] See page 522.
[41] The modern German Empire dates from 1871 A.D.
[42] See pages 436-437.
[43] See page 444.