Solution: 8
Thursday, 29 November 2012 14:54

One needs to build the hierarchy using the clues given:-). Once done, one can notice that there is always some age ordering among the children of each person. So let's order the children so that the older ones are more to the left. Then, as hinted by "interrogate them generation after generation", we read the n-th letters from n-th level names: ECHELMEYERPARK.