Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 773: Est. TMRCA: 17 generations or 476 years ago (1474 AD)
        1---18894 Benjamin McDonald 1736-1826 Unknown Origin:  Big Y-700, 111 STRs FTDNA Known SNP: FT176870 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---231333 John Langan 1840-1918 Ireland: Map Unknown, 111 STRs FTDNA Known SNP: M269 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).