Question: Where was the place of burial of Li Hong's mother?
Sentence (from "Gao Zhizhou"): In 676, he was serving as" Huangmen Shilang"( 黃門侍郎), the deputy head of the examination bureau of government( 門下省," Menxia Sheng"), when he was given the designation" Tong Zhongshu Menxia Sanpin"( 同中書門下三品), making him a chancellor" de facto".
Relevant evidence: No