CA Prob Code Section 2681

A petition for appointment of a successor conservator may be filed by any of the following:

(a)

The conservatee.

(b)

The spouse or domestic partner of the conservatee.

(c)

A relative of the conservatee.

(d)

Any interested state or local entity or agency of this state or any interested public officer or employee of this state or of a local public entity of this state.

(e)

Any other interested person or friend of the conservatee.