Agnes of the Palatinate
Agnes of the Palatinate( 1201 – 1267) was a daughter of Henry V, Count Palatine of the Rhine and his first wife Agnes of Hohenstaufen, daughter of Conrad, Count Palatine of the Rhine.
Agnes was Duchess of Bavaria by her marriage to Otto II Wittelsbach, Duke of Bavaria.
Louis IV, Elector Palatine
Louis IV, Count Palatine of the Rhine( 1 January 1424, Heidelberg – 13 August 1449, Worms) was an Elector Palatine of the Rhine from the House of Wittelsbach in 1436- 1449.
Philip William August, Count Palatine of Neuburg
Philip William August, Count Palatine of Neuburg( born 19 November 1668 in Neuburg an der Donau; died: 5 April 1693 in Zákupy) was a Prince and Count Palatine of Neuburg.
Adolf, Count Palatine of the Rhine
Adolf of the Rhine  (27 September 1300, Wolfratshausen – 29 January 1327, Neustadt) from the house of Wittelsbach was formally Count Palatine of the Rhine in 1319–1327.
He was the second son of Rudolf I, Duke of Bavaria and his wife Mechtild of Nassau.
He didn't really rule because his uncle Louis IV occupied the Palatinate until an agreement with Adolf's brothers and his son Rupert II, Elector Palatine of the Rhine was concluded in Pavia in 1329.
John Christian, Count Palatine of Sulzbach
John Christian( 23 January 1700 – 20 July 1733;" in German: Johann Christian Joseph") was the Count Palatine of Sulzbach from 1732 – 33.
He was the second and youngest surviving son of duke Theodore Eustace, Count Palatine of Sulzbach( 1659 – 1732) with his consort Eleonore Maria Amalia of Hesse- Rotenburg( 1675 – 1720).
His elder brother was Joseph Charles, Count Palatine of Sulzbach.
Rupert II, Elector Palatine
Rupert II, Count Palatine of the Rhine( 12 May 1325, Amberg – 6 January 1398, Amberg).
He was the Elector Palatine of the Rhine from the house of Wittelsbach in 1390 – 1398.
He was the elder son of Adolf, Count Palatine of the Rhine and Countess Irmengard of Oettingen.
On 13 February 1338 the Palatinate was divided between Rupert II and his uncle Rudolf II, Duke of Bavaria.
After the death of his other uncle, the Elector Rupert I( who had succeeded Rudolf II), on 16 February 1390 he was proclaimed Elector Palatine with the consent of Wenceslaus, King of the Romans.
In 1391 he banished Jews and prostitutes from the Palatinate, confiscated their property, and bequeathed it to the Ruprecht Karl University of Heidelberg.
In 1395 he promulgated the so- called" Rupertinische Konstitution" which was intended to provide for unity of the Palatinate.
Among other provisions, he incorporated to his realm the former Imperial Free City Neckargemünd.
He was buried in Schönau Abbey a Cistercian monastery in Heidelberg.
Louis III, Elector Palatine
Louis III, Count Palatine of the Rhine( 23 January 1378 – 30 December 1436), was an Elector Palatine of the Rhine from the house of Wittelsbach in 1410 – 1436.
Otto I, Count Palatine of Mosbach
Otto I( 24 August 1390 – 5 July 1461) was the Count Palatine of Mosbach from 1410 until 1448, and the Count Palatine of Mosbach- Neumarkt from 1448 until 1461.
Mechtild of Nassau
Mechtild of Nassau (before 1280 – 19 June 1323) was the youngest child of Adolf of Germany and his wife Imagina of Isenburg-Limburg.
Mechtild is also known as "Matilda of Nassau".
She was Duchess consort of Bavaria, by her marriage to Rudolf I, Duke of Bavaria.
Rudolph II, Count Palatine of Tübingen
Rudolph II, Count Palatine of Tübingen( died 1 November 1247) was Count Palatine of Tübingen and Vogt of Sindelfingen.
He was the younger son of Rudolph I and his wife Matilda of Gleiberg, heiress of Giessen.

Question: When did Adolf, Count Palatine Of The Rhine's mother die?