Palatinate-Landsberg
Palatinate-Landsberg was the intermediate partition of Palatinate-Zweibrücken in 1604 for Frederick Casimir , the youngest son of John I , Count Palatine of Zweibrücken . 
<triplet> Frederick Casimir <subj> John I, Count Palatine of Zweibrücken <obj> father <triplet> John I, Count Palatine of Zweibrücken <subj> Frederick Casimir <obj> child