Louis II de Courtenay
From NSWiki
Louis II, Prince de Courtenay (1824-1892) was a Braslander nobleman. He was the son of Prince Roger II de Courtenay.
In 1851 he married Countess Marie Elise de Vignon. They had four children: Roger (born 1852), Auguste (born 1854; childless), Marie Cathérine (born 1857) and Jeanne (born 1859). The Princess died in 1863 and Louis never remarried.