Ataviae Regiae is a book written by Egerton Brydges and published in 1820. The book is a genealogical study of the royal houses of Europe, tracing the lineage of various monarchs back to their ancient ancestors. The title, Ataviae Regiae, translates to ""royal ancestors"" in English, which reflects the book's focus on exploring the roots of European royalty.Brydges begins the book by discussing the importance of genealogy and tracing one's ancestry...