9 Exact Names - Only 7 Roman Numerals

I recently discovered that there are 9 people in the database with the exact name match “Mary Ford”. Trying to find the one I was looking for, I also discovered that only 7 of them have been assigned Roman numerals.

Here’s the list of names and the associated Roman numerals. Please fix this. Thanks.

Mary Ford (none) - nm0285772 - wife of musician Les Paul
Mary Ford (none) - nm2337030 - wife of director John Ford

Mary Ford (I) - none
Mary Ford (II) - nm0285773
Mary Ford (III) - nm1012702
Mary Ford (IV) - nm1022639
Mary Ford (V) - nm10381013
Mary Ford (VI) - nm1410917
Mary Ford (VII) - none
Mary Ford (VIII) - nm3536276
Mary Ford (IX) - nm5650959