Introduction -- The Origins and Development of Mongolian Marital Traditions and the Characteristics of the Mongolian Royal Marriages -- Chinggisid Marriage Strategies and the Political Implications of Mongol Royal Marriages -- Mongolian Marriage Custom and Sinicization -- The Social Position of Mongol Women and the Political Involvement of Mongol Empresses -- "Two-way" Marriages: Marriages between the Mongolian Royal Family and Dei- sechan's Clan of the Onggirat Tribe -- "Two-way" Marriages: Marriages between the Mongolian Royal Family and the Ikires Tribe -- "Two-way" Marriages: Marriages Between the Mongolian Royal Family and the Oirat Tribe -- "One-way" Marriages: The Imperial Marriages between the Mongolian Royal Family and the Öngüt Tribe -- "One-way" Marriages: Imperial Marriages between the Mongolian Royal Clan and the Uighur Iduq- qut Clan -- "One-way" Marriages: Royal Marriages between the Mongol Yuan and Koryo -- Conclusion -- Sources for Mongolian Studies -- Biographies of Empresses and Imperial Concubines (Hou Fei Zhuan).