Born: July 8, 1810, Bonn, Germany.
Died: November 15, 1858, London, England.
Buried: Brookwood Cemetery, Brookwood, Surrey, England.
Joanna was the daughter of Marianna and Peter Joseph Mockel, a teacher at the Bonner Lycée.
She married twice: to Johann Paul Mathieux (1832) and Gottfried Kinkel (1842).