John I Doukas of Thessaly

Ruler of thessaly (b. 1240)

Parents

• Michael II Komnenos Doukas

Children

• Konstantinos Doukas of Thessaly
• Theodore Angelos
• Helena Doukaina Angelina
• Helena Angelina Komnene

Siblings

• John Doukas
• Helena Angelina Ducaina
• Demetrios Doukas Komnenos Koutroules
• Anna Komnene Doukaina
• Nikephoros I Komnenos Doukas