Henry I of Nassau-Beilstein count of Nassau-Beilstein 1343–1378 (1323–1380) Parents Adelaide of Heinsberg and Blankenberg Henry I of Nassau-Siegen Children Adelaide of Nassau-Beilstein Henry II of Nassau-Beilstein Reinhard of Nassau-Beilstein Siblings Agnes of Nassau-Siegen Otto II of Nassau-Siegen Partners Imagina of Westerburg