Background
He was the fourth son of Ferdinand William Ernest, 2nd Prince of Solms-Braunfels (1721–1783) and Countess Sophie Christine Wilhelmine of Solms-Laubach (1741–1772).
He was the fourth son of Ferdinand William Ernest, 2nd Prince of Solms-Braunfels (1721–1783) and Countess Sophie Christine Wilhelmine of Solms-Laubach (1741–1772).
She was the widow of Prince Louis Charles of Prussia (1773–1796). The daughter died soon after birth. Frederick William was alleged to have been strongly inclined to consume alcohol and had to quit military service in 1805 for health reasons.
She was initially against it, but when in 1813, she met Ernest Augustus I of Hanover (1771–1851), she, too, wanted the divorce.
Before they got around to it, however, Frederick William died, in 1814 in Sławięcice.