《仪礼·士丧礼》
丧主之兄弟、堂兄弟皆面向西站在丧主之后。丧主之妻妾面向东坐于床西。
众主人在其后，西面。
The chief mourner's brothers and cousins ​​all stand west and stand behind the chief mourner. The chief mourner's wife and concubine sit on the west side of the bed facing east.