Sentence: The story of the epic struggle between the Islamic Empire of the Ottomans and the Christian Kingdoms of Eastern Europe is told from the perspective of a secret fraternity, the Excubitors, a brotherhood of counselors to kings, sultans, head of churches, knights, scholars, financiers, and merchant adventurers who hold influential positions on both sides of the conflict.
Entities:
entity1: counselors
entity2: brotherhood
Relation: Member-Collection