Ernest Constantine married Louise (1775-1808), the daughter of Prince
Frederick Charles of Schwarzburg-Rudolstadt (1736-1793), on 10 April 1796 in
Rudolstadt, with whom he had the five children: • Frederick William (1797-1797) • Ferdinand (1799-1837) • George Gustav (1801-1802) •
Charles II (1803-1868), who succeeded him as Landgrave of Hesse-Philippsthal, married the
Duchess Marie of Württemberg (1818-1888) in 1845 • Francis (1805-1861), created Baron of Falkener in 1841, married (
morganatically) Mary Catharine Kohlmann (1819-1904) Later, he married his niece, Caroline of Hesse-Philippsthal (1793-1869), daughter of his elder brother Prince Charles of Hesse-Philippsthal, on 17 February 1812 in
Kassel. From his second marriage he had two children: • Victoria (1812-1837) • William Edward (1817-1819) == Ancestors ==