Alexander Keyserling Baltic German scientist (1815-1891) (1815–1891) Parents Anna von Nolde Heinrich Diedrich Wilhelm Gf. von Keyserling Children Marie von Keyserling Helene Keyserling Leo Gebhard Alexander Gf. von Keyserling Siblings Eveline, Gräfin von Keyserlingk Georg Theodor Carl Gf. Keyserling Eduard Gf. von Keyserling Hermann von Keyserlingk Louise, Gräfin von Keyserlingk Otto Albrecht Keyserling Partners Zinaida Keyserling