From 1955 to 1965, Slioor lived in a grand apartment in Ullanlinna, a wealthy district of Helsinki, and hosted various social events for artists, including actors, writers and poets, as well as diplomats, professors, royals, and other celebrities. She was good friends with Pentti Saarikoski, George de Godzinsky and others. From 1960 to 1962, Slioor was married to Kalevi Nietosvaara, a Finnish jurist and longtime friend. In 1962, she starred in "Se alkoi omenasta" ("It Started with an Apple"), a Teuvo Tulio short film about Slioor herself.