Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 821: Est. TMRCA: 18 generations or 504 years ago (1446 AD)
        1---264609 Henry Chapman 1750-1903 England: Map M22267 STRs FTDNA Known SNP: A725 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---390796 Thomas Boyd 1806 Liverpool, Lancashire, England: Map A725111 STRs FTDNA Known SNP: A725 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---N99903 John Harper 1670 Ireland: Map Big Y-700111 STRs FTDNA Known SNP: Y92086 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.

Note: Dates are measured from the epoch which is 1950 and age estimates vary by 15% to 20%. The few red colored ages (on the SNPs) and the green age at the top is Family Tree DNA's eatimate for the SNP itself. The green in-line ages are the SAPP estimate for the kits being analyzed (not the SNP).