Form Fl 115 Proof of Service Summons

Hi there,

I am the petitioner and I am going to serve my Ex by mail.

On the Fl 115 form section 4. Person who served papers:

Question: Can one of parents fill out this section to serve my Ex? (Although I live with my parents)

https://cristinlowelaw.com/practice-areas/divorce/petitioner-with-children/california-divorce-form-fl-115/