The original version created for 4th edition is v 4. This version includes the original three characters that I created, pre-dating the Badab War campaign books and the introduction of Silas Alberec.
V 5 was a revision for 5th edition and saw the removal of Chapter Master Leopoldus Kane (my homegrown character), replaced with Silas Alberec.
V 6 was a revision for 6th edition.
V 9 is the current revision for 9th edition, pre-dating Index: Exorcists in issue 462 of White Dwarf Magazine.