Suncheon Do clan
Their founder was who worked as a Jinshi in Yuan dynasty and entered Goryeo as a fatherly master of Princess Jeguk who had a marriage to an ordinary person planned by Chungnyeol of Goryeo in Goryeo . 
<triplet> Princess Jeguk <subj> Yuan dynasty <obj> country of citizenship <subj> Chungnyeol of Goryeo <obj> spouse <triplet> Chungnyeol of Goryeo <subj> Princess Jeguk <obj> spouse