 He stood in election for the Stop Immigration party in 1989 and for the Fatherland Party in 1991, and he was later involved in the militant organisation "Folkebevegelsen mot innvandring" ("Peoples movement against immigration") and later Stop Islamisation of Norway.He was briefly active locally in the Conservative Party and the Pensioners' Party in the late 2000s.Erik-Ørn Gjems-Onstad was born in Kristiania (modern-day Oslo) to jurist and civil servant Olaf Gjems-Onstad (1882–1945) and architect Ågot Urbye (1886–1959).