Howell & Trent male lines split back about 1464 CE. After the split, Trent males will be positive for R-FTJ23802 (1682CE) and Howell males are negative.

BigY Results: M269>L23>L51>P310>L151>P312>Z290>L21>S552>DF13>DF21>Z16267>F24434>FGC23381>BY11699>FGC23377>FTE61881 TRENT & HOWELL SPLIT 1446 CE>FTJ23802 TRENT ONLY BRANCH 1681 CE (Common Male Ancestor and Family Branch at FTE61881)

Lab Report (Trent/Howell Hap I)
https://discover.familytreedna.com/groups/howell/tree?subgroups=17931
Additional BigY Test are needed on the Trent side following the BigY Rule of 3 for testing.

Date of common male ancestor for TRENT/HOWELL) SNP, R-FTE61881, 1464 CE as of 6/13/26