Jacob Johann Graf von Sievers was a Baltic German statesman of the Russian Empire from the Sievers family. Wikipedia
Born: August 30, 1731, Rakvere, Estonia
Died: July 23, 1808 (age 76 years), Valmiera, Latvia
Grandparent: Joachim Johann von Sievers
Great grandchildren: Jakob Johann von Uexküll, Bernhard Otto Jakob Bar. von Uexküll, Jacob Carl Georg von Sievers, and more
Children: Elisabeth von Sievers and Catherine von Sievers
Partner: Elisabeth von Sievers