Linghu Defen (令狐德棻) (582–666), formally Duke Xian of Pengyang (彭陽憲公), was an official of the Chinese dynasties Sui Dynasty and Tang Dynasty. During Tang, he was a major proponent for the compilation of the histories of Sui and its predecessor Northern Zhou and was eventually put in charge of compiling Northern Zhou's official history Book of Zhou, which was completed in 636.
Read more about Linghu Defen: Background, During Emperor Gaozu's Reign, During Emperor Taizong's Reign, During Emperor Gaozong's Reign