In the first lunar month of 271, he married Usu, the daughter of the daesaja [ko] of Seo-bu, to be his queen.
[2] In 280, the Sushen people invaded and the king sent his younger brother Go Dal-ga [ko] to repel them.
Dal-ga took the fortress, Dallo and killed its lord, and moved about 600 Sushen households to southern Buyeo.
[1] In 286, Seocheon's younger brothers Go Il-u and Go So-bal led an insurrection, but the rebellion failed and they were slain.
His mausoleum is considered to have been stolen around 296 when another nomadic people invaded Goguryeo in the reign of Bongsang.