Title: Nikephoros Diogenes
Content:  Nikephoros Diogenes (Νικηφόρος Διογένης), Latinized as Nicephorus Diogenes, was presumably a junior Byzantine emperor from 1070–1071. He was born in c. undefined 1069 to Byzantine Emperor Romanos IV Diogenes and Empress Eudokia Makrembolitissa. He was elevated to junior emperor in 1070, although he lost this position when his father was overthrown in 1071. Emperor Alexios I Komnenos, after overthrowing Nikephoros III, made Nikephoros doux of Crete, and made him a general. Nikephoros conspired against him in 1094, involving numerous confidants and relatives of Alexios, including Alexios' brother, Adrianos. For this conspiracy, he was blinded, in accordance with Byzantine traditions. After this, he retired to his estates, and spent the last years of his life studying classical literature.
Title: Nikephoros Diogenes
Content:  Nikephoros was born c. undefined 1069 to Emperor Romanos IV Diogenes. Nikephoros was presumably elevated to junior emperor in 1070, despite being the second son. Although his half-brother Constantine Diogenes was the eldest son, he was borne of Romanos' unnamed first wife, who was the daughter of Alusian of Bulgaria, and therefore was excluded from the succession when Romanos married Eudokia Makrembolitissa. Nikephoros was removed as co-emperor in 1071, after the deposition of Romanos IV Diogenes by Michael VII. Michael VII ruled until 1078, when Nikephoros III Botaneiates overthrew him on 24 March. Nikephoros III was himself overthrown by Alexios I Komnenos in 1081. Alexios is said to have treated the sons of Diogenes, 
Title: Nikephoros Diogenes
Content:  Nikephoros, "as if they were his own". Nikephoros was made doux of Crete by Alexios I Komnenos sometime in the early 1090s, likely either 1089–1091 or 1092–1094. He was also probably granted significant estates in Crete at the same time as his appointment. In June 1094 Nikephoros began to conspire against Alexios, seeking to kill him and install himself as emperor. Because he was a porphyrogenitos, being born to Romanos while he was still reigning, he had more legitimacy than Alexios, who was only related by blood to the throne through his uncle Isaac I Komnenos. Nikephoros was also described as having many positive characteristics, such as natural charm, magnetic personality, and good looks. 
Title: Nikephoros Diogenes
Content:  upon the others conspirators are not fully known, however Alexios' brother Adrianos disappears from history after the conspiracy was discovered, and Michael Taronites was only spared by the intervention of his wife, Maria Komnene, who was the sister of Alexios. After being blinded, Nikephoros retired to his estates, and spent the remaining years of his life studying classical literature, having secretaries read out the texts to him. After 1094, nothing more is heard of Nikephoros. In 1095 an impostor of Nikephoros, Pseudo-Diogenes, convinced the Cuman chieftains Boniak and Tugorkan to invade the Byzantine Empire, dethrone Alexios, install himself as emperor. The Cumans occupied Paristrion before being repulsed by Byzantine forces, led by Alexios.
Title: Diogenes of Apollonia
Content:  Diogenes was a native of the Milesian colony Apollonia Pontica in Thrace, present-day Sozopol on the Black Sea. His father's name was Apollothemis. Nothing is known of the events in his life, except that he lived some time in Athens. Diogenes Laërtius states that "great jealousy nearly put his life in danger in Athens," but there may be confusion with Anaxagoras who is mentioned in the same passage. Like all the physiologoi (natural philosophers), he wrote in the Ionic dialect. In The Clouds of Aristophanes, it is thought that some views of Diogenes are transferred to Socrates.
Title: Nikephoros Diogenes
Content: Nikephoros Diogenes' profile in the Prosopography of the Byzantine World. Nikephoros Diogenes' profile in the Prosopography of the Byzantine World. Nikephoros Diogenes' profile in the Prosopography of the Byzantine World. 
Title: Diogenes
Content:  Diogenes, also known as Diogenes the Cynic (Διογένης ὁ Κυνικός, Diogénēs ho Kynikós), was a Greek philosopher and one of the founders of Cynic philosophy. He was born in Sinope, an Ionian colony on the Black Sea coast of Anatolia (Asia Minor ) in 412 or 404 BC and died at Corinth in 323 BC. Diogenes was a controversial figure. His father minted coins for a living, and Diogenes was banished from Sinope when he took to debasement of currency. After being exiled, he moved to Athens and criticized many cultural conventions of the city. He modeled himself on the example of Heracles, and believed that virtue was better revealed in action than in theory. He used his simple lifestyle and behavior to criticize 
Title: Leo Diogenes
Content:  Leo Diogenes (Λέων Διογένης, Leōn Diogenes), styled as Porphyrogenitus, was the son of Byzantine Emperor Romanos IV Diogenes and Eudokia Makrembolitissa. Probably crowned co-emperor during his father's reign, he later served in the armies of Emperor Alexios I Komnenos. He does not appear on any of Romanos' coins, although there is at least one letter that refers to him as emperor (basileus). Anna Komnene notes that he and his brother Nikephoros both wore the diadem and tzangion (red sandals) usually reserved to emperors.
Title: Diogenes (Byzantine family)
Content:  Diogenes (Δι[o]γενής), feminine form Diogenissa (Διογένισσα), plural: Diogenoi, was a Cappadocian Greek noble family of the Byzantine military aristocracy that provided several prominent generals and three emperors during the 10th and 11th century. Romanos IV Diogenes was a general, who by marriage to Eudokia Makrembolitissa, was Byzantine Emperor between 1068 and 1071, most notable for the pivotal Battle of Manzikert in 1071.
Title: Nikephoros Diogenes
Content:  her own lack of knowledge. Nikephoros twice attempted to assassinate Alexios in person, however, the first time he was not able to do so because of the presence of a maid fanning mosquitoes off of the emperor, and the second time he was halted by a guard. Alexios became suspicious of Nikephoros, and ordered his brother Adrianos to investigate. Adrianos, who was already a member of the conspiracy, reported that he found nothing suspicious. Alexios, still suspicious, then arrested Nikephoros, and after being tortured, Nikephoros confessed the full extent of the conspiracy. Nikephoros was blinded in 1094 for conspiring against Alexios, which was a standard punishment for conspirators in Byzantine culture. The punishments 

Question: Who is the father of Nikephoros Diogenes?
Answer: Romanos IV Diogenes.
Romanus IV Diogenes, Emperor of Constantinople.
Romanus IV.