He married Barbara Rüssel¹ on January 16, 1821 in Jöhlingen at the Church of St. Martin.

The bride was christened on August 21, 1798 in Jöhlingen at the Church of St. Martin.

Her parents were Johannes Rüssel and Crescentia Schlegelmilch.

Franz Joseph died on September 22, 1862 in Boston, Massachusetts. Barbara died on February 25, 1868 in Boston, Massachusetts.

They were the parents of the following children:

Elisabeth ¹

was christened on May 21, 1821 in Jöhlingen.

Caroline

was christened on November 2, 1822 in Jöhlingen.

Alois¹

was christened on June 28, 1824 in Jöhlingen.
He married Caroline Hasenfuss² in Germany.

Isador

was christened on April 4, 1826 in Jöhlingen.

Gabriel¹

was christened on March 17, 1828 in Jöhlingen.
He married Margaret Bauer on February 3, 1853 in Boston, Massachusetts at Holy Trinity Church.

Clemens¹

was christened on February 15, 1830 in Jöhlingen.
He married Maria Anna Stolzberg on January 26, 1858 in Boston, Massachusetts at Holy Trinity Church.

Stephan

was christened on December 19, 1832 in Jöhlingen.

Jacob Peter¹

was christened on June 17, 1834 in Jöhlingen.

Rosalia

was christened on June 17, 1834 in Jöhlingen.

Magdalena

was christened on December 1, 1836 in Jöhlingen.

Sebastian¹

was christened on January 17, 1839 in Jöhlingen.
He died on August 1, 1856 in Boston, Massachusetts.

1. This person was known to have immigrated to America.

2. According to the 1855 Massachusetts census their 2 children were born in Germany.