Complex sentence: Obata Masamori (1534--d.1582), also known as Nobusada, was one of Takeda Shingen's' Twenty-four Generals', his most trusted commanders.
Split into simpler sentences: Obata Masamori (1534--d.1582), also known as Nobusada. Masamori was one of Takeda Shingen's' Twenty-four Generals', his most trusted commanders.