Mary Semans, Date of Birth, Place of Birth, Date of Death
TweetMary Semans
American heiress and philanthropist
Date of Birth: 21-Feb-1920
Place of Birth: New York City, New York, United States
Date of Death: 25-Jan-2012
Profession: politician
Nationality: United States
Zodiac Sign: Pisces 
About Mary Semans
- Mary Duke Biddle Trent Semans (February 21, 1920 – January 25, 2012) was an American heiress, activist, politician, and philanthropist.
- She was the granddaughter of Benjamin N.
- Duke and the great-granddaughter of Washington Duke, both tobacco and energy tycoons who helped start Duke University.
- Semans is remembered for her support and work towards promoting the arts and humanities through various philanthropic entities.
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