I didn't find a Valentin listed, but did find the following "Christian" and "Friedrich" BARTHEL:
BARTHEL, Christian Heinrich b.27 May 1823 in Sulzbach ..he was son of Phillip BARTHEL and Maria Catherina LUCKENBILL
BARTHEL, Friedrich Peter b.29 May 1864 Bischmisheim BARTHEL, Christian ; m. 1897 in Malstaff, to Amalie Dorothea BAUER from Fechingen. ...Both Friedrich and Christian were sons of Phillip Peter BARTHEL and Catherina LUDT.
BARTHEL, Christian Jacob Peter, b.06 May 1872 Schafbrucke; died 20 Feb 1883 BARTHEL, Friedrich Michael b.15 May 1870 in Bischmisheim; died 18 March 1937. ...They were both sons of Johann Heinrich Nicolaus BARTHEL and Catherina KLEIN of Bischmisheim.