You need to fill one form for family visa (New and renew same form, form needs to get stamped from your Sponsor.

NOC from sponsor mentioning your salary and they dont hv objection on renewal.

Passport copy of you and your spouse

Thats it...
or better you can go to Al rafa typing near immigration office, they will fill form and draft NOC from employer and will tell you all requirement and they charge just 30-40 riyals