[natch]

Nah, I'd go straight for:

Please list the names, addresses, dates of birth, phone numbers, and any private information you may have access to (SSN, credit card number, banking details) of your mother, father, brothers, sisters, children, and any other family members.

Might as well throw in all the info you have for any friends and acquaintances too.

And their private photos, too, because you don't care about hiding things that people have shared with you in confidence, right? You must not, because you said you have nothing to hide.