Georg Dehio
Georg Gottfried Julius Dehio (November 22, 1850 in Reval (now Tallinn), Governorate of Estonia, Russian Empire – March 21, 1932 in Tübingen), was a Baltic German art historian.
In 1900, Dehio started the Handbuch der deutschen Kunstgeschichte (Handbook of German Art History), published by Ernst Wasmuth.
The project is ongoing and managed by the 'Dehio-Vereinigung', Munich.
He is the namesake of the Georg Dehio Prize (Georg Dehio Book Prize).
He was laureate of the Pour le Mérite order ("Pour le Mérite
für
Wissenschaften und Künste"), the Eagle Shield of the German Empire
(Adlerschild des Deutschen Reiches) and the Bavarian Maximilian Order for Science and Art.
He held honorary doctor titles in Göttingen, Tübingen, Frankfurt
(Main) and Darmstadt.
The 1987 discovered minor planet 48415 Dehio is named after him.
Ludwig Dehio
Ludwig Dehio (25 August 1888 – 24 November 1963) was a German archivist and historian.
Dehio was born in Königsberg, the son of art historian Georg Dehio.
He studied philosophy, philology and history at the University of Strasbourg and received his doctorate in 1912.
Later in his career he served as "Staatsarchivrat" at the "Geheimes Staatsarchiv Preußischer Kulturbesitz" (Prussian Privy State Archives) in Berlin.
From 1945 to 1954 he was director of the Hessian state archives in Marburg.
He was catalyst in the founding of the "archives school" in Marburg.
In 1946 he was named an honorary professor of medieval and modern history at the University of Marburg.
From 1949 to 1956 he was an editor of the "Historische Zeitschrift".
He died in Marburg.
Inoue Masaru (bureaucrat)
Viscount was the first Director of Railways in Japan and is known as the" father of the Japanese railways".
John Templeton (botanist)
John Templeton( 1766–1825) was an early Irish naturalist and botanist.
He is often referred to as the" Father of Irish Botany".
He was the father of naturalist, artist and entomologist Robert Templeton.
Obata Toramori
He was the father of Obata Masamori.
Cleomenes II
Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.
The son of Cleombrotus I, he succeeded his brother Agesipolis II.
He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II.
Takayama Tomoteru
He was the father of Takayama Ukon, and was a Kirishitan.
Anacyndaraxes
Anacyndaraxes was the father of Sardanapalus, king of Assyria.
Arthur Beauchamp
Arthur Beauchamp( 1827 – 28 April 1910) was a Member of Parliament from New Zealand.
He is remembered as the father of Harold Beauchamp, who rose to fame as chairman of the Bank of New Zealand and was the father of writer Katherine Mansfield.
Eystein Glumra
Eystein Glumra(" Eystein the Noisy" or" Eystein the Clatterer"; Modern Norwegian" Øystein Glumra") also known as Eystein Ivarsson, was reputedly a petty king on the west coast of Norway, during the 9th Century.
The" Heimskringla" saga states that Eystein Glumra was the father of Rognvald Eysteinsson and Sigurd Eysteinsson:" The first earl in the Orkney Islands was called Sigurd, who was a son of Eystein Glumra, and brother of Ragnvald earl of More.
After Sigurd, his son Guthorm was earl for one year.
After him Torf- Einar, a son of Ragnvald, took the earldom, and was long earl, and was a man of great power".
According to the" Orkneyinga Saga", Eystein Glumra was the son of Ivar the jarl of Uplanders and grandson of Halfdan the Old.
" Orkneyinga Saga" also named Eystein Glumra as the father of Rognvald Eysteinsson:" Heiti, Gorr ’s son, was father of Sveiði the sea-king,[ who was] the father of Halfdan the old,[ who was] the father of Ivar the Uplanders ’ earl,[ who was] the father of Eystein the noisy,[ who was] the father of earl Rognvald the mighty and wise in council".
Linnea Hartsuyker's books
The Half- drowned King and The Sea Queen cover the lives of Eystein's children.

Question: Where was the father of Ludwig Dehio born?
Answer: Reval