《新唐书·列传·卷十二》
祖父萧岩，开皇初年叛隋降于陈朝，陈亡后被隋文帝诛杀。
祖岩，开皇初叛隋降陈，陈亡，文帝诛之。
His grandfather, Xiao Yan, rebelled against Sui at the beginning of the Kaihuang period and surrendered to Chen Chao. After the fall of Chen, he was killed by Emperor Sui Wen.