Theodore Synadenos
Theodore Komnenos Doukas Palaiologos Synadenos( ca. 1277 – ca. 1346), usually simply Theodore Synadenos, was a Byzantine magnate, senior official and military leader of the early 14th century, who played an important role in the civil wars of the period.
The scion of a noble lineage, he became one of the first and most prominent supporters of Andronikos III Palaiologos in his struggle against his grandfather Andronikos II.
Synadenos held various provincial governorships during Andronikos III's reign, including Epirus and Thessalonica.
After the outbreak of the civil war of 1341 – 1347, he tried to surrender Thessalonica to his old friend John Kantakouzenos, but was driven from the city by the Zealots of Thessalonica.
Forced to join Kantakouzenos's enemies, he was initially honoured with the high rank of" protovestiarios" but soon placed under house arrest in Constantinople, where he died impoverished in 1345 or 1346.
Michael IX Palaiologos
Michael IX Palaiologos or Palaeologus ("Mikhaēl IX Palaiologos"), (17 April 1277 – 12 October 1320, Thessalonica, reigned as Byzantine co-emperor with full imperial style 1294/1295–1320.
Michael IX was the eldest son of Andronikos II Palaiologos and Anna of Hungary, daughter of Stephen V of Hungary.
Sphrantzes Palaiologos
Sphrantzes Palaiologos was a Byzantine aristocrat and commander active in the 1330s.
A member of the minor aristocracy and a Senator, in 1334 he was promised great rank and wealth by Emperor Andronikos III Palaiologos if he could capture or otherwise neutralise the renegade Syrgiannes Palaiologos.
He posed as a deserter and entered the Serbian camp and killed Syrgiannes, who had deserted to King Stefan Dušan, ending his advance and bringing the Serbian army into disarray.
Consequently, in August 1334, the king of Serbia made peace with Andronikos III Palaiologos and allowed his forces to retake control of captured parts of Macedonia.
He was rewarded with the high court rank of" megas stratopedarches", which he held until his death of typhus in 1339, leading a campaign in Acarnania.
Anna of Savoy
Anna of Savoy, born Giovanna( 1306 – 1365) was a Byzantine Empress consort, as the second spouse of Andronikos III Palaiologos.
She served as regent during the minority of her son from 1341 until 1347.
Irene of Brunswick
Irene of Brunswick, born Adelheid,( c. 1293 – 16/17 August 1324) was the first wife of Andronikos III Palaiologos, and by marriage Empress of Constantinople, although she died before her husband became sole Emperor.
She was a daughter of Henry I, Duke of Brunswick- Lüneburg and Agnes of Meissen.
Her maternal grandparents were Albert II, Margrave of Meissen and Margaret of Sicily.
In March, 1318, she married Prince Andronikos Palaiologos.
He was the eldest son of Michael IX Palaiologos and Rita of Armenia.
Her father- in- law was at the time junior co-emperor with his own father, Andronikos II Palaiologos.
She joined the Eastern Orthodox Church with her marriage and took the name Irene.
They had a son( June 1320 – February 1322).
She died in Rhaedestos during the civil war between Andronikos II and Andronikos III from 1321 to 1328.
Her husband claimed the throne for its duration, making her the empress to a rival emperor.
Her husband proceeded to marry Anna of Savoy.
Irene Gattilusio
Irene Gattilusio, born Eugenia Gattilusio( died 1 June 1440) was a Byzantine Empress consort by marriage to John VII Palaiologos, a Byzantine Emperor in 1390.
She was a daughter of Francesco II of Lesbos( a maternal grandson of Andronikos III Palaiologos) and Valentina Doria.
Theodora Palaiologina, Empress of Bulgaria
Thodora Palaiologina was a Byzantine princess who became a Bulgarian empress as wife of the emperors Theodore Svetoslav from 1308 to his death in 1321, and Michael Shishman from 1324 to his fall in the Battle of Velbazhd on 28 July 1330.
She was a daughter of the Byzantine emperor Michael IX Palaiologos( r. 1295 – 1320), son and co-ruler of Andronikos II Palaiologos( r. 1282– 1328), and Rita of Armenia who was a daughter of the ruler of the Armenian Kingdom of Cilicia.
She was a sister of Byzantine emperor Andronikos III Palaiologos( r. 1328–1341).
Demetrios Palaiologos (son of Andronikos II)
Demetrios Angelos Doukas Palaiologos( ca. 1297 – after 1343) was a son of the Byzantine Emperor Andronikos II Palaiologos( reigned 1282 – 1328) and his second wife, Irene of Montferrat.
Born ca.
1297, Demetrios was the youngest of Andronikos II's sons.
In ca. 1304, he was sent to the court of the Serbian ruler Stephen Uroš II Milutin, intended to become his successor; his stay there was short, however, and he soon returned to Constantinople.
In 1306 he was named to the highest court rank, that of Despot.
In the Byzantine civil war of 1321 – 1328, Demetrios sided with his father against his nephew, Andronikos III Palaiologos.
In 1327 – 1328, during the last stage of the civil war, he served as governor of Thessalonica.
Eventually he was forced to flee to Serbia, while Andronikos III managed to take his wife and children captive, but Demetrios returned to Constantinople after Andronikos III's final victory.
Demetrios was accused of conspiring against his nephew in 1336/ 37, but Andronikos III dropped the charges.
Nothing more is known of him after 1343.
Demetrios was also an accomplished theologian and miniature painter.
The identity of his wife is not established, but she was possibly Theodora Komnene.
By her he had a daughter, the future empress Irene, and at least one other, unnamed, child.
Michael Palaiologos (son of Andronikos III)
Michael Palaiologos( born 1337) was the second son of Byzantine emperor Andronikos III Palaiologos( reigned 1328 – 1341).
Little is known of Michael's life.
He was born in 1337, during his father's reign, and was hence styled a" porphyrogennetos".
Sometime before Andronikos III's death in 1341, Michael was raised to the supreme court rank of Despot.
In 1351/ 52, when his elder brother, Emperor John V Palaiologos( r. 1341–1391), was engaged in a struggle for the throne with Matthew Kantakouzenos, John V, who sought aid from the Serbian Emperor Stephen Dushan( r. 1331 – 1355), sent him as a hostage to the Serbian court.
Nothing further is heard of him.
Andronikos III Palaiologos
Andronikos III Palaiologos (25 March 1297 – 15 June 1341), commonly Latinized as Andronicus III Palaeologus, was the Byzantine emperor from 1328 to 1341.
Born Andronikos Doukas Angelos Komnenos Palaiologos , he was the son of Michael IX Palaiologos and Rita of Armenia.
He was proclaimed co-emperor in his youth, before 1313, and in April 1321 he rebelled in opposition to his grandfather, Andronikos II Palaiologos.
He was formally crowned co-emperor in February 1325, before ousting his grandfather outright and becoming sole emperor on 24 May 1328.
His reign included the last failed attempts to hold back the Ottoman Turks in Bithynia and the defeat at Rusokastro against the Bulgarians, but also the successful recovery of Chios, Lesbos, Phocaea, Thessaly, and Epirus.
His early death left a power vacuum that resulted in the disastrous civil war between his Empress-dowager, Anna of Savoy, and his closest friend and supporter, John VI Kantakouzenos.

Question: Where was the place of death of Andronikos Iii Palaiologos's father?
Answer: Thessalonica