The coronavirus claims first royal victim as Spanish Princess Maria Teresa of Bourbon-Parma passed away from the COVID-19 Sunday.

The 86-year-old princess was the cousin of Spanish King Felipe VI. Her brother, the Duke of Aranjuez, announced her death via a Facebook post. Her funeral will be held on Friday in Madrid.

The Facebook post read: "On this afternoon... our sister Maria Teresa de Borbon Parma and Borbon Busset, a victim of the coronavirus COVID-19, died in Paris at the age of eighty-six."

Theresa was born on July 28, 1933 and became a professor at Paris'' Sorbonne as well as a professor of Sociology at Madrid's Complutense University. Known for her activism and views, she was dubbed as the "Red Princess".