Eleni Gabre-Madhin
Eleni Zaude Gabre- Madhin, an Ethiopian economist with Swiss nationality, is a former Chief Executive Officer of the Ethiopia Commodity Exchange( ECX).
She has had many years of experience working on agricultural markets – particularly in Sub- Saharan Africa – and has held senior positions in the World Bank, the International Food Policy Research Institute( Washington), and United Nations( Geneva).
Rita of Armenia
Rita of Armenia (10/11 January 1278 – July 1333) was a Byzantine Empress consort.
She was the daughter of King Levon III of Armenia and Queen Keran.
She was the wife of Byzantine co-emperor Michael IX Palaiologos, making her a junior empress-consort of the Byzantine Empire.
In 1317, she became the only empress upon the death of the senior empress, Irene of Montferrat.
She was known as Maria in Constantinople.
Baglan Mailybayev
Baglan Mailybayev( in Kazakh Бағлан Асаубайұлы Майлыбаев) was born on 20 May 1975 in Zhambyl region, Kazakhstan.
His nationality is Kazakh.
He is a politician of the Republic of Kazakhstan, Deputy Head of the Presidential Administration of the Republic of Kazakhstan, Doctor of Law( 2002)( under the supervision of Professor Zimanov S.Z.- scientific advisor and academician of National Academy of Sciences of the Republic of Kazakhstan) and Ph.D. in Political Science( 1998).
John Synadenos (megas konostaulos)
John Komnenos Doukas Palaiologos Synadenos was a Byzantine noble and military leader in the early 14th century, holding the court title of" megas konostaulos".
He was the son( possibly the eldest) of the" megas stratopedarches" John Synadenos, and brother of the" protostrator" Theodore Synadenos.
He inherited the surname" Palaiologos" from his mother, Theodora Palaiologina Synadene, and was commonly referred to by it.
He married a lady named Thomais, descended form the imperial dynasties of Laskaris and Palaiologos, although her exact parentage is unknown.
No children of his are known.
Very little is known about his life, except that he acted as an emissary of Andronikos III Palaiologos to his grandfather Andronikos II during the closing stages of the Byzantine civil war of 1321 – 1328, along with John Aplesphares.
Theodora Raoulaina
Theodora Palaiologina Kantakouzene Raoulaina (1240 – 1300) was a Byzantine noblewoman, the niece of Emperor Michael VIII Palaiologos (r. 1259–1282).
Widowed twice, she clashed with her uncle over his unionist religious policies, and became a nun.
She also restored the monastery of Saint Andrew in Krisei, to where she transferred the relics of Patriarch Arsenios Autoreianos.
Highly educated, she was a prominent member of the capital's literary circles at the close of the 13th century.
Theodora Palaiologina Synadene
Theodora Palaiologina Synadene  was the daughter of Constantine Palaiologos and Irene Komnene Laskarina Branaina.
Through her father, she was a half-niece of the Byzantine Emperor Michael VIII Palaiologos.
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).
Theodora Palaiologina (Byzantine empress)
Theodora Doukaina Komnene Palaiologina( – 4 March 1303), usually known simply as Theodora Palaiologina, was the Empress consort of the Byzantine emperor Michael VIII Palaiologos.
Irene Palaiologina, Empress of Bulgaria
Irene Palaiologina was the eldest daughter of Byzantine emperor Michael VIII Palaiologos and empress Theodora Palaiologina, and empress consort of Ivan Asen III of Bulgaria.
Ali Rahuma
Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.
He currently plays for Al- Ittihad, and is a member of the Libya national football team.

Question: What nationality is Theodora Palaiologina, Empress Of Bulgaria's mother?
Answer: Byzantine