As the Soga clan had taken control of the throne in the sixth century, the <answer>Fujiwara</answer> by the ninth century had intermarried with the imperial family, and one of their members was the first head of the Emperor's Private Office. Another <answer>Fujiwara</answer> became regent, Sesshō for his grandson, then a minor emperor, and yet another was appointed Kampaku. Toward the end of the ninth century, several emperors tried, but failed, to check the <answer>Fujiwara</answer>. For a time, however, during the reign of Emperor Daigo (897-930), the <answer>Fujiwara</answer> regency was suspended as he ruled directly.
A member of what clan became the head of the Emperor's Private Office?
Fujiwara