For Kieffer-Kristensen there are 2 on Yasni with different names.
Among the most common last names on Yasni Kieffer-Kristensen is on position 4525.
Kieffer-Kieffer coopers coopers-French. notation.
KKristensen means son of a Christian - therefore usually written with CH back. The name on the Viking's. Sons of a baptized last names were given as Christensson = Kristensen, son of the Christian.
(Sent from: Benny Kristensen)
