Helene Pavlovna Romanov

Helene Pavlovna was born on December 24th, 1784.  Helene 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, Marie Pavlovna, Catherine Pavlovna, Olga Pavlovna and Anna Pavlovna.  She was the fourth oldest of the ten children. She had a half-sibling of unknown gender named ?.