About On Dal
Lived 550 – 590 (aged 39–40). On Dal was a military personnel.
On Dal (died 590), commonly referred to by Koreans as "On Dal the Fool" (babo ondal (바보 온달)), was a Goguryeo General and the husband of Princess Pyeonggang.
A legend tells that he was unusually tall, his face was handsome, and he had a good heart. His family was poor, so he begged for his mother. Though of middle-class origin, he later married Princess Pyeonggang, a daughter of King Pyeongwon of Goguryeo, and then become a general. He died bravely leading the Goguryeo garrison in 590 at Achasanseong Fortress during a battle against the Silla army.
In popular culture Portrayed by Ji Hyun-woo in the 2009 KBS2 TV series Invincible Lee Pyung Kang. Portrayed by Lee Jong-hyun in the 2017 Netflix TV series My Only Love Song. Portrayed by Na In-woo in the 2021 KBS2 series River Where the Moon Rises.
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Important facts
Family & relationships
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped On Dal's
Frequently asked questions
Who was On Dal?
general of the Goguryeo, one of the Three Kingdoms of Korea
When was On Dal born?
On Dal was born in 550.
When did On Dal die?
On Dal died in 590 in Achasanseong.
What was On Dal's occupation?
On Dal was a military personnel.
What nationality was On Dal?
On Dal's recorded nationality: Goguryeo.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). On Dal. https://biography.guide/on-dal/
MLA: "On Dal." Biography.guide, https://biography.guide/on-dal/.
Chicago: "On Dal." Biography.guide. https://biography.guide/on-dal/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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