DemNotPP: Personal pronouns and demonstrative pronouns are separate classes, and they are not etymologically related.
Personal pronouns: 3sg 3du 3pl
ʌüw ʌīn ʌəɣ
Demonstrative pronouns: sg du pl
Proximal: tēmi tēmi-ɣən tēmi-t
Distal: tomi tomi-ɣən tomi-t
Abstract: ťūt ťūt-ɣən ťūt-ət
In Surgut Khanty, personal pronouns and demonstratives are distinct categories.