- American Ancestors of William and Harry
- Number of Unique Ancestors of Queen Margrethe II of Denmark
- Collective History of the Royal Families of Denmark, Norway and Sweden
- How Are The Families Related?
- Royal and Noble Families: Dynastic Laws and Marriage Rules
- Marriages between Descendants of the Electress Sophia of Hanover (1630-1714)
- Alexander the Great Descendants
- Habsburg Genealogy
- General Royal Genealogical questions
- Line of Succession to the British Throne
- Descendants of Vlad Tepes (aka Vlad the Impaler)
- Genealogy of Queen Maxima of The Netherlands
- Ties between European and Oriental families
- The Kingdom of Tonga: Royal Dynasties
- Portugal and Brazil: the Bragança Dynasty
- Ottoman Dynasty: House of Osman
- Poland: Royalty and Aristocracy
- The British Aristocracy
- Genealogy of Grand Duchess Maria Teresa of Luxembourg
- Descendants of Royals of the British Isles
- Royalty of Latin America
- France: (non royal) Noble Houses
- Russia: Past and Present Imperial and Princely Families
- Albania
- Sweden: Vasa and Bernadotte Dynasties
- Japan Imperial Family
- Asian Genealogies
- Transcaucasia: Armenia, Georgia and Azerbaijan
- Porphyria in European Royalty
- Haemophilia In European Royalty
- Exposing Imposters
- Monaco: Genealogy and Relationships with European Royals
- Genealogy of the Royal Family of Denmark
- Descendants of Queen Victoria
- Frankish & Holy Roman Empires, Germanic States & Families, Central Europe