Asano's clan steward, Oishi Kuranosuke, and forty-seven of his loyal retainers vowed revenge.
The Asano clan had a steward named Oishi Kuranosuke.
mnli hypothesis: The Asano clan had a steward named Oishi Kuranosuke. premise: Asano's clan steward, Oishi Kuranosuke, and forty-seven of his loyal retainers vowed revenge.