Duchess Helene of Mecklenburg-Schwerin was a French Crown Princess after her marriage in 1837 to the eldest son of Louis Philippe I. She is known as the mother of the future Count of Paris and Duke of Chartres. Wikipedia
Born: January 24, 1814, Ludwigslust Palace, Ludwigslust, Germany
Died: May 17, 1858 (age 44 years), London Borough of Richmond upon Thames, United Kingdom
Grandchildren: Princess Hélène of Orléans, Amélie of Orléans, Princess Isabelle of Orléans, and more
Children: Prince Robert, Duke of Chartres and Comte De Paris
Spouse: Ferdinand Philippe, Duke of Orléans (m. 1837)