Cool - I've seen a ????? in a Udut (or ????) family tree from
  the Ukraine - ????? is something like Kocis - and I remember
  from Russian classes that the -aba at the end of Kociaba may
  mean "of" (female version of -ov - the b and v are
  interchangable when translating). So the Kocis and Kociaba just
  MIGHT be related family names! Wouldn't that be a kick in the
  pants? (that we might be related?) "