The first part of this post will be about the declension of third person reflexive pronouns.

Nom : –

Gen : suī

Dat : sibi

Acc : sē, sēsē

Abl : sē, sēsē

Voc : –

Just a little note here that the third person reflexive pronouns always refer back to the subject whether it be singular or plural. Examples of third person reflexive pronouns are: himself/herself/itself/oneself/themselves.

The second part of this post will be on interrogative pronouns, or words like “who?” and “what?”

In the masculine and feminine singular, “what?” is declined as follows:

Nom : quis

Gen : cuius

Dat : cui

Acc : quem

Abl : quō

Voc : –

In the neuter singular, “what?” is declined as follows:

Nom : quid

Gen : cuius

Dat : cui

Acc : quid

Abl : quō

Voc : –