The second oldest of the manga koro dynasties, based in central Yamma. The Biida trace their origins back to the First Empire (a period spanning 976 – 1998 YSP, over 3000 years before the events of the Theonite Series) with ties to the founding Biraye family. Members of the Biida line are thought to be especially benevolent and principled.

Notable historical figures and people in the Theonite Series:

  • Queen Mandeya a beloved Yammanka queen responsible for much of the current world order (first mention: Orbit)
  • King Dinga the new king of Yamma at the time of the Theonite Series, the grandson of Queen Mandeya Biida (first mention: Orbit)