Columbia subject headings:
Europe--Kings and rulers--Children.
Harvard subject headings:
Europe--Kings and rulers--Children.
Illegitimate children of royalty--History.
Illegitimate children--Europe--History--To 1500.
Middle Ages
Social status--Europe--History--To 1500.
Princeton subject headings:
Europe--Kings and rulers--Children.
Illegitimate children--Europe--History--To 1500.