start with a single ROOT individual (at or near the bottom of a family tree),
then traverse upwards through their tree (back in time) to find all potential ancestors who could have donated part of their X-Chromosome
then will travel back down through the tree and spread out to eventually find all possible cousins who could potentially share some portion of the same X-Chromosome.
NOTE: You must specify a maximum number of generations to go back in time.
There are two ways to generate this list of X-Friends:
OPTION # 1
For optimal results - please Login to WikiTree (link in menu above)! This will ensure access to profiles on your watchlist that you otherwise would not, because of privacy settings.
Enter the WikiID for the initial person in the X-Chromosome Friend Finder, to create a list of X-Chromosome ancestors and descendant test-takers.