The sea-warriors of the Hizen coast are written in the realm record for the Matsura coast.
Their chief anchorage is Hirado, but they have no single head; the league as a document is of the 13th century. The first notice of their raiding is Goryeo's, in the 1220s.
Who he is
- Name
- not known as a single head
- Title
- League of equals (tō)
- Family
- Petty warrior families of Hizen with roots in the 11th century (English Wikipedia)
- Confidence
- low
English Wikipedia (Matsura clan); the brief.
Overlord
nominally the Dazaifu and Kamakura's constable
What it holds
- The Hirado anchorage, with the Karatsu bay and the Goto isles
How things stand that morning
No raid is recorded before 1223.
Where the sources disagree
Evidence: See the realm record.
Sources and studies
- OMNIA kja regional brief (KJA_BRIEF.md), the campaign's dated traps and realm table
- OMNIA board notes and places for area kjw (starting lead only, checked against the sources)
- Matsura clan, English Wikipedia
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.