Jules Joseph Lefebvre
Lyongrün was born Oct. 2, 1871, in Domnau, East Prussia (now Domnovo, Russia). He grew up during the Gründerzeit boom of Imperial Germany, studying in Königsberg (now Kaliningrad, Russia) and Breslau (now Wrocław, Poland). Thereafter he studied at the Académie Julian in Paris under French artists Jules Joseph Lefebvre and Tony Robert-Fleury, and undertook student journeys around France, Austria and Italy.