其祖父郭荣是著名学者。
His grandfather was Guo Yang , a noted scholar .
公元954年,周太祖死,养子郭荣(原姓柴,太祖内侄)继位(世宗)。
In 954 , the Emperor Taizu passed away , the next person coming to power was his adopted son Guo Rong ( the original surname was Cai , the nephew of the former emperor ) .