 In the "Jun Shi" (君奭) chapter of the "Classic of History", the Duke of Zhou names him as one of the five key advisers of King Wen, together with Guo Shu, Hong Yao, Tai Dian, and San Yisheng.After King Wen's death, Nangong Kuo became a key adviser of his son King Wu.Nangong Kuo was the founder of a major aristocratic lineage of the Western Zhou.