What a great opportunity. I'd love to go, but I currently fail the skills requirement - linking fluid turns in double black terrain.
With that said, and following up on the Pugski Worldwide suggestion early in the post, I would be keenly interested in a Chile trip in the (north american) summer of 2019 or 20. This is especially true if there were a family friendly option, which I will loosely define as some kind of resort-centered base camp or camps with ski touring/back country/guided day trips available as a package of excursions, for lack of a better term. With school-aged kids of mixed ski ability, and a spouse who adores the mountains but isn't a skier per se, some option similar to this would tick all the boxes and prevent a situation where dad (or mom - your situation may vary) disappears for a couple weeks to an exotic locale while leaving the family behind.
If something like the above is ever in the cards, or could be designed as a hybrid version of an existing or planned trip, I am 100% in. Also, I would be happy to assist with information gathering, planning, and/or logistics as necessary or desired.
I would think that either Nevado de Chillian or Portillo would fit your family needs from the research I have done.