The Fujiwara clan were a dominant force in the politics of Heian era Japan. So much so that even military powerhouses like the Minamoto brothers turned to them for patronage!
So, the Fujiwaras of Oshu are 
going to be secure now, right?
Con esto, los Fujiwara de Oshu
estarán a salvo, ¿no?
Então, os Fujiwaras de Oshu
vão ficar seguros agora, né?