《仪礼·特牲馈食礼》
宾客之长和兄弟中之长者的荐俎设在东房，众宾和众兄弟之荐俎设在东堂。
宾与长兄弟之荐，自东房，其馀在东堂。
The sacrificial cauldron of the chief guest and the elder brother is located in the east wing, and the sacrificial cauldron of the guests and brothers is located in the east hall.