Ingrid Louis
Ingrid Louis( born 23 September 1977) is a former swimmer who competed for Mauritius in the 1996 Summer Olympic Games.
Édouard Louis
Édouard Louis( born Eddy Bellegueule; 30 October 1992) is a French writer.
Batcheba Louis
Batcheba Louis( born 15 June 1997) is an international Haitian women's association football player.
Hermann II, Landgrave of Hesse
Hermann II of Hesse (1341 – 24 May 1413) was Landgrave of Hesse from 1376 to 1413.
Hermann II, called "the Scholar", was born in 1345 in Burg Grebenstein (Grebenstein castle), the son of Louis the Junker.
Louis
the Junker was a son of Otto I, Landgrave of Hesse.
Hermann studied in Paris and in Prague.
After the death of Otto, the son and heir apparent of Henry II, the latter appointed his nephew Hermann as co-ruler and heir in 1367.
Hermann was married twice.
The first marriage on 3 February 1377 was to Johanna, countess of Nassau-Weilburg [1383] but produced no children.
The second was on 15 October 1383 to Margaret of Hohenzollern-Nuremberg [1406], daughter of Frederick V, Burgrave of Nuremberg.
They had the following children:
Louis I, Landgrave of Hesse
Louis I of Hesse  (6 February 1402, Spangenberg - 17 January 1458), called "the Peaceful" was Landgrave of Lower Hesse (Hesse) from 1413-1458.
He was the son of Hermann II, Landgrave of Hesse and Margaret, the daughter of Frederick V of Nuremberg.
He married Anna (5 June 1420 - 17 September 1462) daughter of Frederick I, Elector of Saxony on 13 September 1436.
Their children were:
After 1425 a conflict with the Electorate of Mainz over claims to power in Hesse broke out into open conflict and Archbishop Conrad III of Mainz suffered a decisive defeat at Fulda in 1427.
Jeff Louis
Jeff Louis( born 8 August 1992) is a Haitian international footballer who plays as a midfielder.
Manoucheka Pierre Louis
Manoucheka Pierre Louis( born 24 June 1989) is a Haitian women's association football player who plays as a midfielder.
Richard Louis
Richard Louis( born January 6, 1964) is a retired Barbadian sprinter who specialized in the 400 metres.
Wilan Louis
Wilan Louis( born 1 March 1983) is a Barbadian sprinter.
He competed in the men's 4 × 100 metres relay at the 2000 Summer Olympics.
Obata Toramori
He was the father of Obata Masamori.

Question: What is the place of birth of Louis I, Landgrave Of Hesse's father?
Answer: Grebenstein castle