Little is known of Dae Wihae, and some lists of Balhae monarchs do not include him, though his name does appear in the Chinese chronicle Tang Huiyao (唐會要).
Tidak banyak yang diketahui tentang Dae Wihae, dan beberapa daftar mengenai monarki Balhae tidak mencantumkannya, meskipun namanya muncul di dalam riwayat Cina Tang Huiyao (唐會要).