To make your own family cookbook, just get a binder, put in some tabs dividers (or make your own) and decide which sections you want. Then start printing out the recipes you find, make, and like most. I stick my recipes in plastic page protectors.
This is the quickest, simplest way to get started. Of course, there are ways you can create digital cookbooks that could be easier for some people. This was the simplest way for me to begin.
Here are the dividers I made in my binders, with links to those sections. (To make a divider tab, I just folded a sticky note in half, wrote on it in black marker, and then secured it to the plastic page and covered it with clear strapping tape.) Here are the sections: