He married Anna Catharina Buess . Anna Catharina Buess was born at Muttenz, Basel, Switzerland Abt 1791 .
They were the parents of 8
children:
Maria Barbara Messmer
christened 28 Dec 1811.
Jacob Nicolaus Messmer
christened 29 Aug 1813.
Jacob Rudolf Messmer
christened 5 Nov 1815.
Catharina Messmer
christened 5 Apr 1818.
Catharina Susanna Messmer
christened 25 Jul 1819.
Judith Charlotte Messmer
christened 10 Mar 1822.
Dorothea Elisabeth Messmer
christened 12 Dec 1824.
Johann Georg Messmer
christened 29 Oct 1826.