"Our Rensberger Ancestors" by Stanley Fruits says that Jacob Wolfgang and Helena Elizabett had 3
children.

Riemensperger (later Ramsburg) Families from Switzerland to Germany to America
from a letter of August 25, 1982 from Emil Thomas, Schwegenheim, Pfalz, West Germany

Jakob Wolfgang Riemensperger (1670-1712) m Helena Elisabeth and had children as follows:
(1) Johann Ludwig (June 11, 1702-Dec 16, 1725
(2) Sebastian Heinrich (bap May 21, 1709 in Walldorf - Dec. 4, 1785)
     m 1730 (?) Dorothea Freund b Feb 28, 1712 in Walldorf
(3) Johann Stephan b Oct 11, 1711 - Mar 7, 1789
     m Anna (Maria?) Cath. Brunner b Sept 9, 1718