Hae Mo-su () was the founder of Buyeo. According to the Samguk sagi, Hae Mo-su was the father of Goguryeo's founder, Ko Chumong () also known as Dongmyeong of Goguryeo. According to the Samguk yusa, Hae Mo-su was the son of heaven, riding in a chariot of five dragons, to establish Bukbuyeo (Northern Buyeo).Samguk Yusa, Book 1, records of oddities(記異), Bukbuyeo,"古記云。前漢書宣帝神爵三年壬戌四月八日。天帝降于訖升骨城〈在大遼醫州界〉乘五龍車。立都稱王。國號北扶餘。自稱名解慕漱。生子名扶婁。以解為氏焉。王後因上帝之命。移都于東扶餘。東明帝繼北扶餘而興。立都于卒本州。為卒本扶餘。即高句麗之始祖。"

Connection with Jumong According to legend, Chumong is the child of Hae Mo-su and Yuhwa, daughter of Habaek, the Goguryeo god of the Amnok River or according to an alternative interpretation, the sun god Haebalk ().

Hae Mo-su does not appear in older Chinese records or on the Gwanggaeto Stele that describes the founding of Goguryeo. It is thought that Goguryeo integrated the founding legend of Buyeo after the former conquered the latter.

Family Consorts: Lady Yuhwa () Son: Buru of Buyeo () Son: Dongmyeong of Goguryeo ()

Popular culture Portrayed by Huh Joon-ho in the 2006–2007 MBC TV series Jumong. Part of the "Heaven's Brethren" item set, a piece of Armor called "Hae Mo-su's Adamant" in the 2000 pc game Diablo II.

See also List of Korean monarchs History of Korea

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