The artists Christo and Jeanne-Claude were born in the same hour on the same day, June 13, 1935. Christo Vladimirov Javacheff was born in Gabrovo, Bulgaria, of a Bulgarian industrialist family. Jeanne-Claude Denat de Guillebon was born in Casablanca, Morocco, of a French military family. The couple first met in Paris in 1958, while Christo was working on Packages and Wrapped Objects. Their only child, the poet Cyril Christo, was born May 11, 1960.
http://www.nyc.gov/html/thegates/html/artists.html

http://www.rosenthalfineart.com/christo-and-jeanne-claude/
https://en.wikipedia.org/wiki/Christo_and_Jeanne-Claude