Marie Pavlovna Romanov

Marie Pavlovna was born on February 15th, 1786.  Marie Pavlovna's father was Paul I Petrovich Romanov and her mother was Maria Sophie Feodorovna von Wurttemberg.  Her paternal grandparents were Peter III Romanov and Catherine II von Anholt-Zerbst. She had four brothers and five sisters, named Alexander I Pavlovich, Konstantin Pavlovich, Nikolai I Pavlovich, Michael Pavlovich, Alexandra Pavlovna, Helene Pavlovna, Catherine Pavlovna, Olga Pavlovna and Anna Pavlovna.  She was the fifth oldest of the ten children. She had a half-sibling of unknown gender named ?.