Mary Knowlton von Francken-Sierstorpff, Date of Birth, Place of Birth, Date of Death
TweetMary Knowlton von Francken-Sierstorpff
American socialite
Date of Birth: 02-Jul-1870
Place of Birth: Brooklyn, New York, United States
Date of Death: 21-Jul-1929
Profession: socialite
Nationality: United States
Zodiac Sign: Cancer 
About Mary Knowlton von Francken-Sierstorpff
- Countess Mary Carpenter Knowlton von Francken-Sierstorpff (July 2, 1870 – July 21, 1929) was an American socialite who married a German Count.
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