So who is this Princess Corinna?

Corinna, Patrick Mavros (a British jeweler) and the King

who allegedly is a firm favorite of King Juan Carlos.  She's not a real princess.  The German-born Corinna Larsen, 46, is the divorced wife of HSH Prince Casimir of Sayn-Wittgenstein-Sayn, a younger son of the Prince and Princess of Sayn-Wittgenstein-Stein.  

Casimir's family was not thrilled when he married Corinna, who was nine years his senior, in London on October 26, 2000.  They were divorced five years later. They have one son, Prince Alexander, who was born in London on February 18, 2002.  Corinna also has a daughter by her first husband.

Corinna  was once the main squeeze of Mercedes heir, Muck Flick.  [Note to self: that's Muck FLICK, not ....]

Corinna and King Juan Carlos have been close friends for some years now.  In April 2006, Corinna accompanied the King and a Spanish delegation to Saudi Arabia.  She was listed as a "Strategic Advisor" to the delegation.  A year later, she was back in Saudi Arabia, as the King's office representative.  She met with Prince Alwaleed, who hosted a luncheon in her honor.

She also organizes hunting expeditions in Africa for verrry, verrry rich people (and kings), as she is the CEO of London-based Boss & Company Sporting Agency.

The Spanish newspaper El Confidencial reports that King was on safari in Botswana with Corinna and several Spanish businessmen on a private hunting trip, which Corinna organized. She is the CEO of Boss & Company, a sporting agency, that "satisfies all needs" in arranging verrrry exclusive hunting trips for verrry special clientele.

Queen Sofia was in Athens when she received news of her husband's accident.  She decided to stay in Greece, and did not return until earlier today.   Juan Carlos also has not seen his grandson, Felipe Juan Froilan, who is recovering from foot surgery at another hospital. When he was undergoing surgery, his grandpapa was hunting elephants in Botswana.

http://www.lavozlibre.com/noticias/ampliar/564594/corinna-zu-sayn-wittgenstein-una-mujer-en-las-cacerias-del-rey