Heinrich XX, Prince Reuss of Greiz
Heinrich XX, Prince Reuss of Greiz( 29 June 17948 November 1859) was Prince Reuss of Greiz from 1836 to 1859.
Heinrich XIX, Prince Reuss of Greiz
Heinrich XIX, Prince Reuss of Greiz( 1 March 179031 October 1836) was Prince Reuss of Greiz from 1817 to 1836.
Prince Heinrich XXIV Reuss of Köstritz
Prince Heinrich XXIV Reuss of Köstritz, also" Prince Heinrich XXIV Reuss, Younger Line"( German: Heinrich XXIV.
Prinz
Reuß zu Köstritz, also" Heinrich XXIV. Prinz Reuß jüngere Linie", December 8, 1855 in Trebschen – October 2, 1910 in Ernstbrunn, Austria) was a German composer.
Countess Sophie Theodora of Castell-Remlingen
Sophie Theodora of Castell-Remlingen (12 May 1703, Castell - 8 January 1777, Herrnhut) was a German noblewoman of the house of Castell-Remlingen.
She was the sixth child and fourth daughter of Wolfgang Dietrich of Castell-Remlingen by his second wife Dorothea Renate of Zinzendorf and Pottendorf - Wolfgang
Dietrich had fourteen children altogether, of whom Sophie Theodora was the twelfth child and tenth daughter.
Heinrich XXIV, Prince Reuss of Greiz
Heinrich XXIV, Prince Reuss of Greiz( 20 March 187813 October 1927) was the last reigning Prince Reuss of Greiz from 1902 to 1918.
Then he became Head of the House Reuss of Greiz which became extinct at his death in 1927.
Heinrich XXIV, Count Reuss of Ebersdorf
Heinrich XXIV, Count Reuss of Ebersdorf (22 January 1724 in Ebersdorf – 13 May 1779 in Ebersdorf), was ruler of the German county Reuss-Ebersdorf from 1747 till his death.
He was the eldest son of the thirteen children of Heinrich XXIX, Count of Reuss-Ebersdorf and Sophie Theodora of Castell-Remlingen.
He was the grandfather of King Leopold I of Belgium and the great-grandfather of Queen Victoria (through his daughter Augusta).
Heinrich XXIV succeeded his father as Count of Reuss-Ebersdorf in 1747.
Princess Ida of Schaumburg-Lippe
Princess Ida Matilda Adelaide of Schaumburg-Lippe (Bückeburg, 28 July 1852 – Schleiz, 28 September 1891) was the consort of Heinrich XXII, Prince Reuss of Greiz from 1872 until her death.
She was the mother of Hermine Reuss of Greiz, second wife of Wilhelm II, the last German Emperor.
Caroline of Hesse-Homburg (1819-1872)
Caroline of Hesse- Homburg( 1819- 1872), was a Princess consort of Reuss of Greiz by marriage to Henry XX, Prince Reuss of Greiz.
She was the regent of the Principality of Reuss- Greiz during the minority of her minor son, Heinrich XXII, Prince Reuss of Greiz, from 1859 until 1867.
Emilie Agnes Reuss of Schleiz
Emilie Agnes Reuss of Schleiz( 11 August 1667- 15 October 1729), was a German noblewoman member of the House of Reuss and by her two marriages Countess of Promnitz- Pless and Duchess of Saxe- Weissenfels- Dahme.
Born in Schleiz, she was the fourth of eight children born from Heinrich I, Count Reuss of Schleiz and his first wife, Countess Esther of Hardegg auf Glatz und im Machlande.
From her seven older and younger siblings, only one survive adulthood, Heinrich XI, Count of Reuss zu Schleiz.
From her father's two next marriages with Countesses Maximiliana of Hardegg auf Glatz und im Machlande and Anna Elisabeth of Sinzendorf, she gained four half- siblings, of them only one survive: Heinrich XXIV, Count Reuss of Schleiz in Köstritz( son of Anna Elisabeth).
Prince Heinrich VIII Reuss of Köstritz
Prince Heinrich VIII Reuss of Köstritz( born 30 August 1944) is a son of Prince Heinrich I Reuss of Köstritz, and is a member of the House of Reuss.

Question: What is the date of death of Heinrich Xxiv, Count Reuss Of Ebersdorf's mother?
Answer: 8 January 1777