IgormRussian, Polish, Slovene, Croatian, Serbian, Macedonian, Slovak, Czech, Italian, Portuguese, Basque Russian form of the Old Norse name Yngvarr (see Ingvar). The Varangians brought it with them when they began settling in Eastern Europe in the 9th century. It was borne by two grand princes of Kyiv, notably Igor I the son of Rurik and the husband of Saint Olga. Other famous bearers include Igor Stravinsky (1882-1971), a Russian composer known for The Rite of Spring, and Igor Sikorsky (1889-1972), the Russian-American designer of the first successful helicopter.