Yoshiharu has made the mistake of insulting Oda Kanjuurou Nobukatsu; he demands that Nobunaga deliver Yoshiharu head to him.
...have barricaded themselves inside 
the castle with Nobukatsu-sama.
Sakuma Nobunori-dono und Hayashi Michikatsu-dono in der Burg verbarrikadiert.
se han encerrado dentro del 
castillo con Nobukatsu.
se han encerrado dentro del 
castillo con Nobukatsu.
se sont barricadés
 dans le château avec Nobukatsu,
...se trancaram dentro do castelo com Nobukatsu.