Simon Peter Geilsdorfer was born on August 6, 1756 in Roigheim, Baden, Prussia and died on January 6, 1832 in Roigheim, Baden, Prussia at the age of 75. He married Maria Magdalena Schwaiss on November 25, 1783 in Roigheim, Baden, Prussia. She was born on March 19, 1757 in Roigheim, Baden, Prussia and died on December 28, 1841 in Roigheim, Baden, Prussia at the age of 84.

Katharina Barbara Geilsdorfer, daughter of Simon Peter Geilsdorfer and Maria Magdalena Schwaiss, was born on September 4, 1789 in Roigheim, Baden, Prussia and died on October 25, 1850 in Roigheim, Baden, Prussia at the age of 61. She married Johann Gorg Matzer, son of Johann Philip Matzer and Magdalena Katharina Schreiweiss, on November 18, 1818 in Roigheim, Baden, Prussia. He was born on July 3, 1792 in Roigheim, Baden, Prussia and died on September 21, 1845 in Roigheim, Baden, Prussia at the age of 53.

Christiana Barbara Matzer, daughter of Johann Gorg Matzer and Katharina Barbara Geilsdorfer, was born on August 16, 1826 in Roigheim, Baden and died on January 15, 1877 in Sennfeld, Baden at the age of 50. She married Philip Adam Reichert, son of Johann Jakob Reichert and Susanna Barbara Rudt, on August 22, 1847 in Sennfeld, Baden, Prussia. He was born on June 17, 1822 in Sennfeld, Baden and died on April 6, 1885 in Adelsheim, Baden at the age of 62.