Background
On 21 February 1819 at Wernigerode Castle, he married on Countess Eleonore of Stolberg-Wernigerode (1801–1827), who was a daughter of Count Henry of Stolberg-Wernigerode.
On 21 February 1819 at Wernigerode Castle, he married on Countess Eleonore of Stolberg-Wernigerode (1801–1827), who was a daughter of Count Henry of Stolberg-Wernigerode.
As the owner of a Manor, he had been appointed by the king. Among others, he owned estates in Klipphausen, Spreewiese and Klix. Heinrich LXIII had the following children:
Joanna, usually called Jenny (1820–1878), married in 1843 to Prince Ferdinand of Schoenaich-Carolath
Augusta (1822–1862), married the Grand Duke Frederick Francis II of Mecklenburg-Schwerin
Heinrich VI Prince Reuss (1823-1823), died just days after his birth in Wernigerode
Heinrich VII (1825–1906), Adjutant General of Emperor William I, the first German ambassador to Constantinople, lived most of his life in Trebschen (modern Trzebiechów, Poland)
Heinrich XII, Prince Reuss (1829–1866), Lord of Stonsdorf.
Married in 1858 Anna Countess of Hochberg, Baroness to Fürstenstein
Heinrich XIII, Prince Reuss (1830–1897), Lord of Baschkow.
Married in 1869 Anna Countess of Hochberg, Baroness to Fürstenstein
Louise (1832–1862)
Heinrich XV, Prince Reuss (1834–1869), married in 1863 Countess Luitgarde of Stolberg-Wernigerode
Anna (1837–1907), married in 1863 Prince Otto of Stolberg-Wernigerode
Heinrich XVII, Prince Reuss (1839–1870), killed in the Battle of Mars-la-Tour.
From 1833 until his death, he was a member of the First Chamber of the Saxon parliament.