Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 732: FT55758 Est. TMRCA: 3 generations or 84 years ago (1866 AD)
        1---B514658 Joseph Fenton 1796-1851 Antrim, Ireland: Map Big Y-700111 STRs FTDNA Known SNP: FT55758 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---MI22518 Robert Fenton 1837-1896 Antrim, Ireland: Map Big Y-700111 STRs FTDNA Known SNP: FT55758 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).