If you’re upgrading to the iPhone 6s, iPhone 6 Plus or even from a 4S to and iPhone 5S, this guide will help you back your information and get it ready to restore on your new device. I walk you through step-by step and show you the end result. I also answer questions about what is backed up.
How To: Backup Your Old iPhone and Restore to iPhone 6s

Will the transfer also include family members in the Family section of settings?
Thank you
Larry
yes
What if I want to restore everything on the same iPhone?