Karl Jakob Pontus Stenbock-Fermor (1835-08-08 - Essen-Stenbock-Fermor) 1806-1866 (1806–1866) Parents Magnus Johann Stenbock-Fermor Children Konstantin Essen-Stenbock-Fermor Nikolaj Essen-Stenbock-Fermor Siblings Friedrich Johann Stenbock-Fermor Julius Gf. Stenbock Vasily Stenbock-Fermor Alexander Magnus Stenbock-Fermor Partners Alexandra von Essen, Countess Essen-Stenbock-Fermor