怡亲王
, the pretender to the Joseon throne is Prince Yi Seok. Members of the different branches of Jeonju Yi survived until the formation of the current Republic of Korea. Many families claim membership in the House of Yi, but few actually descend from the lineage. King Sejong, King Taejo, and others are from this lineage. South Korea's first president Syngman Rhee claims descent from the lineage.