First she asked Zheng to give Gongshu Duan the city of Duan as a fiefdom .
When Duke Zheng ascended to the dukedom over the violent objections of his mother , she began plotting to get Gongshu Duan into power .
First she asked Duke Zheng to give Gongshu Duan the city of Gongshu Duan as a fiefdom .
When Duke Zheng ascended to the dukedom over the violent objections of his mother , she began plotting to get Gongshu Duan into power .