Born: April 11, 1811, Hamburg, Germany
Died: December 1, 1858 (age 47 years), Göttingen, Germany
Spouse: Peter Gustav Lejeune Dirichlet (m. 1832–1858)
Siblings: Paul Mendelssohn, Fanny Mendelssohn, and Felix Mendelssohn
Parents: Abraham Mendelssohn Bartholdy and Lea Mendelssohn Bartholdy