It's just separate portraits for each family member, then a few together, one of the children together, one of the mother and father and so on. Most likely during the day, not mid day either, but not sunset, or in the morning after the sun's out. The most I'd need the flash for is to soften shadows under eyes, nose, chin and so on.
I'll check out amazon.
Thanks CEMAYHALL I'll be speaking with you if anything.