Frederick, Count Palatine of Zweibrücken-Vohenstrauss-Parkstein German Count Palantine (1557–1597) Parents Anna of Hesse Wolfgang, Count Palatine of Zweibrücken Children Siblings Philip Louis, Count Palatine of Neuburg John I, Count Palatine of Zweibrücken Charles I, Count Palatine of Zweibrücken-Birkenfeld Otto Henry, Count Palatine of Sulzbach Countess Palatine Barbara of Zweibrücken-Neuburg Countess Palatine Maria Elisabeth of Zweibrücken-Neuburg Partners Katharina Sophie of Legnica