pron. his

Dovahkiin, Dovahkiin, naal ok zin los vahriin, wah dein vokul mahfaeraak ahst vaal!
Dragonborn, Dragonborn, by his honor is sworn, To keep evil forever at bay!
(Book, Songs of Skyrim)

Dovahkiin los ok dovahkriid.
The Dragonborn is his dragonslayer - The Dragonborn slew him.
(Dragon, 0009E058)

Qethsegol vahrukiv key Sarvirra, zok krin Raan alun wah fonaar odus frod, ahrk ofan ok sil fah ok drog.
This stone commemorates the horse Sarvirra, the most courageous Animal ever to charge the snowy battlefields, and give his soul for his lord.
(Word Wall for Raan, Animal Allegiance)

From rok ‘he’.

The possessive suffix -ii can be used instead of ok to indicate third person possession.