Pedzisa mashoko anotevera: Nhoroondo yokutanga yeSeonangdang iri muGoryeosa, bhuku renhoroondo rakanyorwa nezvoumambo hweGoryeo muzana remakore rechi15. Maererano nebhuku racho, pakutonga kwaMambo Munjong weGoryeo, 'Seonghwangsa', zvinoreva kuti 'Temberi yaSeonghwang', yakavakwa. MuGoryeo Dynasty, Seonangdang inonyatsozivikanwa yaiva mutaundi reJeonju. Mambo Gojong aidavira kuti kukundwa kwakawanda kwevaMongol mu
Kupinda kwevaMongol muKorea kwakanga kuri nemhaka yokuti vaSeonangshin vakabetsera vaKorea.