The following information is on the SF consulate site. Keep in mind that Italy is not renewing passports. You are applying for new passports.
CLICK ON THE FOLLOWING LINKS FOR INFORMATION:
1) General Information
2) Instructions
3) Requesting a new passport / No more available pages in a passport
4) Appointments - new procedures beginning May 18th, 2020 due to Covid-19
5) Passport Fees and accepted form of payment
6) Annual stamp/tax (Marca da bollo) - no longer applicable as of 24 June 2014
7) Digital Fingerprinting
Declaration Form for Minors Under 14 Years Old Travelling WITHOUT Their Parents/Legal Guardians.
9) Identity Cards
Just remember, you will need a form signed by your husband allowing you and your minor children to obtain passports. See below.
Passport request form for MINORS, signed by BOTH parents:
Parents who are Italian or European Union citizens must attach a photocopy of your Italian/European passport to the request form (only include page(s) with personal information AND signature).
Parents who are NOT Italian or European Union citizens MUST HAVE THEIR SIGNATURE AUTHENTICATED by a notary public, OR by an Honorary Consul, OR by a Consular Officer on the day of the appointment, plus a photocopy of the passport page per the prior bullet point.
If one parent is deceased: provide a photocopy of the death certificate of the deceased parent.
