WITH TEMP (Pk, Parent_Pk, Title, Name, Iteration) AS
(
  SELECT Pk_JobStruct, Fk_Parent, Title, Name, 0
  FROM T_JobStruct
  WHERE PK_JobStruct = 1 -- el cheffe

 UNION ALL

  SELECT sub.Pk_Jobstruct, sub.Fk_Parent, sub.Title, sub.Name, (t.Iteration + 1)
  FROM T_JobStruct AS sub, temp AS t
  WHERE t.Pk = sub.Fk_Parent

)

SELECT * FROM Temp