Ronald Mourad Cohen
Sir Ronald Mourad Cohen( born 1 August 1945) is an Egyptian- born British businessman and political figure.
He is the chairman of The Portland Trust and Bridges Ventures.
He has been described as" the father of British venture capital" and" the father of social investment".
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.
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.
Eilev Jonsson Steintjønndalen
Eilev Jonsson Steintjønndalen (1821–1876) was a Norwegian Hardanger fiddle maker from Bø in Telemark, Norway.
Eilev Jonsson Steintjønndalen was the younger brother of Erik Jonsson Helland.
He learned the art of fiddle making from his father as well as from his elder brother.
In 1845, he married Egelev Knudsdatter (1819-1883) and moved to Steintjønndalen, a cotter's sub-farm on the Nordigard Folkestad farm a few miles away from the rest of his family.
He took the name of the farm, started his own workshop and made fiddles until his death in 1876.
Obata Toramori
He was the father of Obata Masamori.
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.
Erik Jonsson Helland
Erik Jonsson Helland (1816–1868) was a Norwegian Hardanger fiddle maker.
Erik Jonsson Helland was the eldest son of the Hardanger fiddle maker Jon Eriksson Helland from Bø in Telemark, Norway.
Around 1830, he began to specialize in making Hardanger fiddles and to experiment in his father's workshop with new models in order to obtain a more powerful tone without losing the softness of the instrument.
This led to a broader instrument, with a fuller outline and a lower vault, which is now the more common style.
In the 1850s, he gained national attention and in 1861 was awarded a national scholarship to study with the violin makers, Enger & Son in Copenhagen.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.
Yasuichi Oshima
He is the father of manga artist Towa Oshima.
Östen Mäkitalo
Östen Mäkitalo( 27 August 1938 – 16 June 2011) was a Swedish electrical engineer.
He is considered to be the father of the Nordic Mobile Telephone( NMT) system and many times the father of cellular phone.

Question: Who is the father of Eilev Jonsson Steintjønndalen?
Answer: Jon Eriksson Helland