Prince Mustafa, son of Bayezid I

الأمير مصطفى بن بايزيد

Prince Mustafa, son of Bayezid I — presumed killed at Ankara in 804, he reappeared under his nephew Murad II at the head of a rising the book says emperor Manuel II financed; he besieged Gallipoli for a base, was captured and hanged 1.

Depth

At a glance

Roles
prince · emir
Era
The Mongol and Post-Mongol Era
Region
Anatolia
Review
Draft Completeness 2/5 · Help complete it

Contested: This record includes matters on which scholars differ. The speaker's views are labelled as his, and other views are marked where no cited source yet exists.

Summary

Prince Mustafa, son of Bayezid I — presumed dead on the field of Ankara in 804, he resurfaced under his nephew Murad II leading a rising the book says the empire's enemies financed: emperor Manuel II backed him until he besieged Gallipoli to make it his base, whereupon Murad captured and hanged him 1.

Ottoman memory also knows this figure as 'Düzme Mustafa', the false Mustafa — the sources dispute whether he was the genuine prince; we record the book's account as it stands.

Opinions on the question

The question: Was the Mustafa who rose against Murad II truly Bayezid's son or an impostor ('Düzme Mustafa')?

First opinion · Sunni tradition (the museum's frame)Main reference

Al-Sallabi narrates him straightforwardly as 'his uncle Mustafa', the prince lost at Ankara, restored and then executed after the Byzantine-backed rising.
More opinions (1)

Academic viewSecondary opinion

The sources themselves disagree whether this Mustafa was the genuine prince or an impostor; Ottoman chronicles call him 'the false Mustafa'. This file records the book's account without settling the identity.

Connections

Explore the connections

Related to
Emperor Manuel II Palaiologos· مراد الثاني
Child of
بايزيد الأول الصاعقة
Opposed
مراد الثاني

People and things also explored

محمد الأول جلبي· Emperor Manuel II Palaiologos· مراد الثاني· The battle of Ankara and the capture of Bayezid the Thunderbolt· The second battle of Kosovo· Battle of Varna and the breach of the treaty· Conquest of Thessalonica· Treaty of Szeged (1444)

Sources

  1. al-Dawla al-Uthmaniyya — Ali Muhammad al-Salabi (2001) , p. 70, 79
Cite this page

islam.museum contributors. “Prince Mustafa, son of Bayezid I”. islam.museum, https://islam.museum/en/person/mustafa-ibn-bayezid/. CC BY-SA 4.0. Last updated 2026-10-22.

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Wing

People

Prophets, companions, scholars, rulers, scientists, poets, travelers: women and men who shaped the story.
Related

محمد الأول جلبي

Mehmed I (1379–1421 CE) — the youngest of Bayezid's sons, who fell back on Amasya after Ankara and beat his brothers one by one to reign sole from 1413; 'the second founder' who spent his eight years reunifying the state, personally broke Sheikh Badr al-Din's rising, moved the capital from 'warriors' Edirne' to 'jurists' Bursa', and first sent the annual surra gift to the Amir of Mecca. He died at Edirne in 824/1421 aged forty-three, his viziers concealing the death forty-one days until Murad II arrived.