Brudvik – en slekt fra Ytre Arna og Hedmark Livsløpene tilGerhard VI of Oldenburg
  1. Gerhard VI of Oldenburg, 1430–1500
  2. Gerhard VI of Holstein-Rendsburg, 1367–1404
  3. Catherine Elizabeth of Brunswick-Lüneburg, 1367–1424
  4. Dietrich of Oldenburg, 1398–1440
  5. Helvig of Schauenburg, 1398–1436