What are Pronouns used as adjectives to show ownership or possession called?

Pronouns used as adjectives to show ownership or possession are called possessive pronouns.

Here are some examples:

* My book is on the table.

* Your car is in the garage.

* His phone is ringing.

* Her cat is sleeping on the couch.

* Its tail is wagging.

* Our house is on the corner.

* Their dog is barking.