Columbia subject headings:
Harvard subject headings:
Europe--Kings and rulers--Genealogy.
Peter I, Emperor of Russia, 1672-1725--Family.
Princes--Europe--Genealogy.
Princesses--Europe--Genealogy.
Royal houses--Europe--Genealogy.
Princeton subject headings:
Europe--Kings and rulers--Genealogy.
Peter I, Emperor of Russia, 1672-1725--Genealogy.
Royal houses--Europe--Genealogy.