son / child / seed / egg / small thing / 1st earthly branch: 11 p.m.-1 a.m., midnight, 11th solar month (7th December to 5th January), year of the Rat / Viscount, fourth of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / ancient Chinese compass point: 0° (north) / subsidiary / subordinate / sub-
"Duke Li of Wei Answering Emperor Taizong of Tang", military treatise attributed to Li Jing 李靖[Li3 Jing4] and one of the Seven Military Classics of ancient China 武經七書|武经七书[Wu3 jing1 Qi1 shu1]