Hey-there, Hi-there, Ho-there, Hayley!
You are as welcome as can be here at planDisney!
What fun to not only be traveling to the Most Magical Place on Earth with your family but to be bringing the in-laws along for the ride! Or, I guess I should say bringing the in-laws along for the flight.
Hayley, I am currently planning a trip with some family friends and I have all three of our
hotel rooms loaded into my
My Disney Experience Account, even though my name is only listed on the room that I will be staying in. I find that this is much simpler than everyone having their own accounts, as long as I will be managing all of our plans.
All you will need to do is to "link" your reservation to your My Disney Experience Account, and then go ahead and "link" your in-law's reservation to your My Disney Experience Account.
I just know that you will have the most magical vacation, Hayley!
Sending pixie dust your way!
Sarah B.