In 1623, he rebelled against Trịnh lord in Thái Nguyên and enthroned.
Khoan fled to Ming China and sent surrender documents to Trịnh lord.
He was forgiven by Trịnh lord, and allowed to come back to Cao Bằng.
He was granted the title thái úy (太尉) and Thông quốc công (通國公) by Lê dynasty.
This biography of a member of a Vietnamese royal house is a stub.