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.
Initial Person: How far back do you wish to go?: ◀ 5 generations▶
OPTION # 2
Import a GEDcom file which contains the Family Tree information required.