No names, no real tree — just a hypothetical key person and a live guess you can correct. Enter a cM value, see the app's best guess, then override the relationship directly if you think it's really something else. The tree redraws instantly either way.
Speculate a Position
Type a cM value to get a starting guess — then use the dropdown to try a different relationship and watch the tree adjust. Pin a version to keep it on screen while you try the next one.
Field Notes
Pinned Hypotheses