Paul Achatius Helfferich; Regine Reiss

Looking for information on Paul Achatius Helfferich, born 28 August 1716 in Kirchheim, Donaukreis, Wuerttemberg. He was the father of my ancestor Johanne Catharine Magdalena Helfferich born also in Wurttemberg.His wife was Regina Magdalene Reiss, married 7 May, 1748