Regarding the founder of the Qin dynasty, who was his grandfather?
King Xiaowen of Qin King Xiaowen of Qin (reigned 250 BC) was a Chinese king, who had a very brief reign. He is also known as Lord Anguo (安國君). His grandson was Emperor Qin Shi Huang.
Sima Jun Sima Jun (113–197), courtesy name Yuanyi, was an official who lived in the Eastern Han dynasty. He was the father of Sima Fang and the grandfather of Sima Yi.