Countess Aleksandra Grigorevna Laval was one of the heirs of Myasnikov's millions, a salon holder, art collector and philanthropist. Wife of Count Ivan Laval, mother of Ekaterina Trubetskaya, mother–in–law of the Decembrist Prince Trubetskoy.
- Citizenship
- Russian Empire
- Born
- March 18, 1772
- Died
- November 17, 1850