Maria Singh -- neé Princess Maria Petrovna Galitzine -- has died. She was 31.

The daughter of Princess Maria-Anna and Prince Piotr Galitzine -- a Russian aristocrat -- passed away in Houston, Texas, on May 4 from a sudden cardiac aneurysm, an obituary listed in The Houston Chronicle confirms.

Singh was born in 1988 in Luxembourg and is a descendent of the Habsburg dynasty. Her maternal grandfather was Archduke Rudolf of Austria, who was the youngest son of Emperor Charles I of Austria and Empress Zita of Bourbon-Parma, the last Emperor and Empress of Austria.

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At age 5, the princess moved with her family to Russia, where she attended the German School of Moscow. She later moved to Belgium to attend the College of Art & Design.

Maria Singh, nee Princess Maria Galitzine, passed away at the age of 31. (Courtesy Maria Singh Facebook)

Princess Maria lived and worked in Brussels as well as Chicago, Ill., and Houston, where she leaves behind her husband, Rishi Roop Singh, a renowned chef in Houston, and their 2-year-old son, Maxim.

According to the obituary, Maria is survived by her parents as well as her sisters Xenia Galitzine de Matta, Tatiana Galitzine Sierra and Princess Alexandra, and her brothers, Princes Dmitri and Ioann.

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The princess was laid to rest four days after her death in Houston.