This is pretty slick, I have most of it working, however my children of my parent account end up in a flat list of accounts, like this example.
To get the indentation, hierarchy build out I assume that I will need to do some sort of recursive build. Start with the base members, loop through all of them, find parents. Use those associations to define my treeChildren and assign to collection as children of a parent. Then work through all the parents (treating them as children now) and find their parents, assigning them to the tree collection, and so on. working my way to the top of the dimension.
