Gustav Girgensohn Estonian botanist (1786-1872) (1786–1872) Parents Dorothea Renata Elisabeth Girgensohn Christoph Reinhold Girgensohn Children Julius Leo Immanuel Girgensohn Siblings Louise Napiersky Christoph Heinrich Otto Girgensohn Ernst Georg Girgensohn Leonhard Otto Gottlieb Girgensohn Partners Julie Emilie Girgensohn