John Doukas Palaiologos was a Byzantine aristocrat, brother to Emperor Michael VIII Palaiologos, who served as the commander-in-chief of the Byzantine army. He played a prominent part in his brother's
Michael VIII Palaiologos (r. 1259–1282)
Alexios Strategopoulos
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Alexios Komnenos Strategopoulos was a Byzantine aristocrat and general who rose to the rank of megas domestikos and Caesar. Distantly related to the Komnenian dynasty, he appears in the sources alread
John Palaiologos (brother of Michael VIII)
…quickly secured his own nomination as regent, and in turn appointed John as megas domestikos and sent him to command the Nicaean army in Macedonia, with Alexios Strategopoulos and John Raoul Petraliphas as subordinate commanders. After his coronation as co-emperor in early 1259, Michael raised his brother further to the rank…
Emperor John III Doukas Vatatzes, under whom Strategopoulos began his military career, and whose niece married his own son, Constantine
The Gate of the Spring (Pege) or Selymbria Gate, through which Strategopoulos and his men entered Constantinople on 25 July 1261