Camping is going to be so rad! Remember that your extra layers double as pillows, and when the ground is super hard, something under your knees will help you sleep. If you have a vaccuum sealed thermos and morning is less than 12 hours away, you can probably make some coffee before you leave and have effortless hot coffee in the morning. My camping pack is pretty minimal at this point, my checklist goes like so:
- sleepingbag&pad
- tent/buddy with tent/bivybag
- raingear&spare socks
- toothbrush, toothpaste, wagbag&TP, sunblock
- hipflask x2 (filled with scotch),
mountainhouse&jetboil if unsure of food situation, clifbars
- 2 nalgenes (assuming daily refill opportunities) and 1 thermos (for coffee)
- wooden silverwear (easy to clean, wont freeze lips at low temps), mug, corkscrew/bottle opener
That all fits in an old schoolbag.
Edit: I don't use a bunch of those things on a regular basis. I've needed spare socks all of once on a weekend trip. Since you have kids with you, you'll need s'mores. Your kids will get wasted on s'mores. it will be all over everything. gross.