Helenka Pantaleoni was born in New York City.
Helenka Pantaleoni was born on November 22, 1900, in New York City to an Italian economist, Guido Pantaleoni, and Eleonora von Mendelssohn, a Polish actress. This diverse and culturally rich background exposed her to various socio-economic ideologies and artistic influences from an early age, aiding in shaping her worldviews and future endeavors in the arts and humanitarian sectors.