Complex sentence: His father was Prussian Major Karl von Kathen (1803-1876), a landowner from Langenhaken in Pomerania, his mother was Agnes Schumann (1825-1895).
Split into simpler sentences: His father was Prussian Major Karl von Kathen (1803-1876), a landowner from Langenhaken in Pomerania. His mother was Agnes Schumann (1825-1895).