The Cajanus family is an ancient Finnish clerical family that has produced numerous clergymen, government officials, and academics. Count Per Brahe nominated the progenitor of the family, a local nimismies Anders Eriksson Hjerta (Cajanus), to serve as Baron and bailiff of his fiefdom of Kajaani. His sons became pastors in neighbouring parishes and family assumed a Latin surname according to the town of Kajaani.
Members of this family include:
Bondeson, Jan. The Two-Headed Boy and Other Medical Marvels. Ithaca: Cornell, 2000.