The first known ancestor of the family was a legendary tribal chieftain, Ketel.
According to Gesta Hungarorum Ketel was of Cuman (Kabar) origin.
According to some research, the name of the kindred comes from the Greek or Armenian "catapan" rank.
[2] Their ancient possessions were located in Komárom county.
[3] There are strong indications that the Konkoly-Thege family also belongs to the Koppán genus.