I just manually keep track of them, using Paint. To get their pictures, I went into manage world, and where you can split up a household, print screen and cut their photo that way, and typed their name under their photograph, and did this in Paint. For example, it would come out looking like this.
https://scontent-dfw5-2.xx.fbcdn.net/v/t1.0-9/44683237_1137188786431415_8821308831037390848_n.jpg?_nc_cat=101&_nc_ht=scontent-dfw5-2.xx&oh=2f41e8f9a843d5e9ee96d22fc11107a8&oe=5C4D792C
There is also something called One Note that you can easily move pictures around (I'm still in the process of learning how to work this), but you can get a free version online, I don't have the full access to everything, but it works for what I need.