Marie Christine Felizitas of Leiningen-Dagsburg-Falkenburg-Heidesheim (29 December 1692 – 3 June 1734), was a German noblewoman member of the House of Leiningen and by her two marriages Princess of Baden-Durlach and Duchess of Saxe-Eisenach.
From Marie Christine's six older and younger siblings, only three survive adulthood: one sister, Sophie Magdalene (by marriage Countess of Salm-Grumbach) and two brothers, Christian Karl Reinhard and Johann Wilhelm Ludwig.
[citation needed] In Heidesheim on 1 December 1711, Marie Christine married firstly Prince Christopher, younger brother of Charles III William, Margrave of Baden-Durlach.
They had three sons:[citation needed] After eleven years of marriage, Prince Christopher of Baden died on 2 May 1723 and was buried in the Stiftskirche St.Michael, Pforzheim.
[citation needed] In Philippsruhe Castle, Hanau on 29 May 1727 Marie Christine married secondly John William, Duke of Saxe-Eisenach as his fourth wife.