Philip, Landgrave of Hesse-Philippsthal
Philip of Hesse- Philippsthal( 14 December 1655 – 18 June 1721) was the son of William VI, Landgrave of Hesse- Kassel and Hedwig Sophia of Brandenburg.
He was the first landgrave of Hesse- Philippsthal from 1663 to 1721 and the founder of the fifth branch of the house of Hesse.
Charles I, Landgrave of Hesse-Philippsthal
Charles I, Landgrave of Hesse- Philippsthal( 23 September 1682 – 8 May 1770) was a member of the House of Hesse and Landgrave of Hesse- Philippsthal from 1721 until his death.
Adelaide of Hesse
Adelaide of Hesse( after 1323 – after May 26, 1371) was a daughter of Henry II, Landgrave of Hesse, and his wife Elisabeth of Thuringia, daughter of Frederick I, margrave of Meissen.
Adelaide was a member of the House of Hesse.
William I, Elector of Hesse
William I, Elector of Hesse( 3 June 1743 – 27 February 1821) was the eldest surviving son of Frederick II, Landgrave of Hesse- Kassel( or Hesse- Cassel) and Princess Mary of Great Britain, the daughter of George II.
William II, Landgrave of Hesse-Wanfried-Rheinfels
William II, Landgrave of Hesse- Wanfried- Rheinfels( also known as" William the Younger"; born: 25 August 1671 in Langenschwalbach; died: 1 April 1731 in Paris, and also buried there) was a son of the Landgrave Charles of Hesse- Wanfried( 1649 – 1711) and his first wife, Sophie Magdalene of Salm- Reifferscheid( d. 1675).
He succeeded his father as Landgrave of Hesse- Wanfried and Hesse- Rheinfels.
After 1711, he styled himself" Landgrave of Hesse- Rheinfels".
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:
Margravine Philippine of Brandenburg-Schwedt
Margravine Philippine Auguste Amalie of Brandenburg- Schwedt( 10 October 1745 – 1 May 1800) was a Landgravine consort of Hesse- Kassel by marriage to Frederick II, Landgrave of Hesse- Cassel.
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.
Moritz, Landgrave of Hesse
Moritz, Prince and Landgrave of Hesse(" Moritz Friedrich Karl Emanuel Humbert" 6 August 1926 – 23 May 2013) was the son of Prince Philip, Landgrave of Hesse, and the head of the House of Brabant and the German House of Hesse.
Louis the Junker
Louis the Junker of Hesse (1305 – 2 February 1345) was a German nobleman.
He was the third son of Landgrave Otto I of Hesse and his wife Adelheid, a daughter of Otto III of Ravensberg.

Question: Who is Hermann Ii, Landgrave Of Hesse's paternal grandmother?