https://www.familytreedna.com/groups/howell/about/background
BIGY TESTING NEEDED
All SNP's within the main Haplogroup R1b
Results from Family Finder:
M269>L23>L51>P310>L151>P312>Z46516>ZZ11>DF27>ZZ12_1 (2600 BCE)

M269>L23>L51>P310>L151>P312>Z46516>ZZ11>DF27>ZZ12_1>FTT1>FGC78762>ZZ19_1>Z31644>FT318890>SK2109>PH2054>PH33>FT273817>FTB49364>FTB79636 (1900CE)
Above, Results from Howell Group 1, BigY male SNP/Haplogroup line

SNP Line of R-FTB79636 (shows creation dates and number of descendants)
https://discover.familytreedna.com/y-dna/R-FTB79636/path