John III Doukas Vatatzes

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John III Doukas Vatatzes was a 13th-century Byzantine emperor of Nicaea renowned for restoring stability, economic prosperity, and military strength to the exiled Byzantine state.

All labels observed (4)

Label Occurrences
John III Doukas Vatatzes canonical 15
John III Doukas Batatzes 1
John III Ducas Vatatzes 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Byzantine emperor
Eastern Roman emperor
Emperor of Nicaea
medieval ruler
alliedWith Frederick II, Holy Roman Emperor
alsoKnownAs John III Doukas Batatzes
John III Ducas Vatatzes
John III Vatatzes
birthDate c. 1192
burialPlace Nymphaion
capital Nicaea
citizenship Byzantine Empire
conflictWith Despotate of Epirus
Latin Empire
correspondedWith Frederick II, Holy Roman Emperor
deathDate 4 November 1254
deathPlace Nymphaion
dynasty Laskarid dynasty
era 13th century
familyName Doukas
linked to: Doukas dynasty

Vatatzes
fatherInLaw Theodore I Laskaris
givenName John
historicalReputation one of the most capable Byzantine rulers of the 13th century
motherTongue Greek
notableFor laying groundwork for the recapture of Constantinople
promoting economic prosperity in the Empire of Nicaea
restoring stability to the Empire of Nicaea
strengthening the military of the Empire of Nicaea
participatedIn Byzantine–Latin conflicts
policy encouragement of agriculture and rural development
promotion of domestic production over imports
support of Orthodox Church institutions
predecessor Theodore I Laskaris
pursuedGoal restoration of Constantinople to Byzantine rule
regionRuled parts of Thrace
western Asia Minor
linked to: Western Anatolia
reignedOver Empire of Nicaea
reignEnd 1254
reignStart 1222
religion Eastern Orthodox Christianity
spouse Constance II of Hohenstaufen
Irene Laskarina
strengthened Byzantine navy of Nicaea
linked to: Byzantine navy

imperial administration of the Empire of Nicaea
succeededBy his son Theodore II Laskaris
successor Theodore II Laskaris
usedTitle Basileus and Autokrator of the Romans

How these facts were elicited

Referenced by (18)

Full triples — surface form annotated when it differs from this entity's canonical label.

Empire of Nicaea notableRuler John III Doukas Vatatzes
Empire of Nicaea strongestPeriodUnder John III Doukas Vatatzes
Baldwin II of Constantinople contemporaryOf John III Doukas Vatatzes
Laskarid dynasty hasMember John III Doukas Vatatzes
Laskarid dynasty notableRuler John III Doukas Vatatzes
Maria Laskarina notableFamilyMember John III Doukas Vatatzes
Theodore I Laskaris successor John III Doukas Vatatzes
Battle of Adrianople (1254) opponent John III Doukas Vatatzes
Battle of Adrianople (1254) commandedBy John III Doukas Vatatzes
John IV Laskaris paternalGrandfather John III Doukas Vatatzes
John III Doukas Vatatzes alsoKnownAs John III Vatatzes
linked to: John III Doukas Vatatzes
John III Doukas Vatatzes alsoKnownAs John III Doukas Batatzes
linked to: John III Doukas Vatatzes
John III Doukas Vatatzes alsoKnownAs John III Ducas Vatatzes
linked to: John III Doukas Vatatzes
Theodore II Laskaris predecessor John III Doukas Vatatzes
Theodore II Laskaris father John III Doukas Vatatzes
Laskaris family hasMember John III Doukas Vatatzes
House of Laskaris hasMember John III Doukas Vatatzes
Stefan Radoslav contemporaryOf John III Doukas Vatatzes