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Daughter of Frans Egenolf Eugen von Knorring and Estella Ormesinda Tigerstedt Sister of Eugène Carl Jochum von Knorring; Lave Gustav Severin von Knorring and Axel Corfitz Von Knorring Half sister of Karl Gustaf von Knorring
http://www.helsinki.fi/ylioppilasmatrikkeli/1853-1899/henkilo.php?i...