Margarita Teresa of Austria

Margarita Teresa of Austria (12 July 1651 – 12 March 1673) was Holy Roman Empress by marriage to her uncle, Holy Roman Emperor Leopold I. A daughter of King Philip IV of Spain and the elder sister of Charles II. She featured in several paintings by Diego Velázquez. From birth she had the rank and title of Infanta of Spain but was also an Archduchess of Austria as a result of being a member of the House of Habsburg. The Empress was also a half-sister of Queen Marie Thérèse of France.

Marriage
She married Leopold I, Holy Roman Emperor an on 5 December 1666, the solemn entry o the Infanta in Vienna took place and the official marriage taking place on 12 December. The union was planned in order to unite the rival branches of the House of Habsburg which ruled Spain as well as Austria and the Holy Roman Empire.

Children

 * 1) Archduke Ferdinand Wenceslaus Joseph Michael Eleazar of Austria (28 September 1667 – 13 January 1668) died young.
 * 2) Archduchess Maria Antonia of Austria (18 January 1669 – 24 December 1692)  married Maximilian II Emanuel, Elector of Bavaria and had children.
 * 3) Archduke Johann Leopold o Austria (born an died 20 February 1670) died the same day he was born.
 * 4) Archduchess Maria Anna Josepha Antonia Apollonia Scholastica of Austria (9 February 1672 – 23 February 1672) died young.