jan Pi Kasen (toki Tosi: Pit Clausen) li jan lawa pi ma tomo Pilewe tan tenpo sike nanpa 2009. ona li lon kulupu SPD.
jan mama pi jan Pi Kasen li jan Wan-Kisan Kasen (toki Tosi: Hans-Christian Clausen) li jan Inki Leka Kasen (toki Tosi: Ingrid Helga Clausen). jan sama pi jan Pi Kasen li jan Juken Kasen (toki Tosi: Jürgen Clausen).
jan Pi Kasen li kama sona e nasin lawa kepeken tomo sona suli Uniwesite Pilewe.
tenpo sike nanpa 2009 la, jan pi ma tomo Pilewe li pana lawa e jan ona tan kulupu SPD.