I do have the Oath of Allegiance that Valentine signed in Maryland. His daughter Susannah m. Daniel Bowman, Sr. in MD, so it shouldn't be hard to prove his whereabouts at that time. He later moved back to PA, then to Belmont, OH where he died.
After he moved to OH, there is more info on him. He mentions daughter Susannah who m. Daniel Bowman and now lives in TN. Valentine was my husband's 4th great grandfather.
My daughter plans to submit a DAR supplemental application on Valentine. She already has a supplemental on Daniel & Susannah.
Please email me privately at: Ellie3518@gmail.com
as I am preparing in a few days to leave AOL completely.