《辽史·本纪·卷十六》
皇上派都点检耶律僧隐等充任宋祭奠使及副使，林牙萧日新、观察冯延休充任宋后吊慰使、副使。
遣都点检耶律僧隐等充宋祭奠使副，林牙萧日新、观察冯延休充宋后吊慰使副。
His Majesty dispatched General Yelu Sengyin and others to act as envoys and deputy envoys to the Song for its mourning rituals, and Xiao Rixin and Feng Yanyu as envoy and deputy envoy, respectively, to offer condolences to the new empress of the Song.