《太平广记·卷一百九十九·文章二》
彭阳公的儿子是令狐绹，自韦平拜在他的门下后，有些疏远李商隐。使他也无法施展自己的才华。
彭阳之子绹，继有韦平之拜，假疏商隐，未尝展分。
Peng Yang Gong's son was Linghu Xu. After Wei Ping became his student, he became somewhat estranged from Li Shangyin, which also made it impossible for him to display his own talent.