This is some of the information that I have - I have more if you'd like...
Jacob Hammes was born Oct 1, 1840 in Gillenfeld, Prussia, Germany, married Sep 26, 1862 In St. Michael's, Washington City, Wisconsin to Maria Anna Pickards/Pickart, and died on Dec 20, 1920 and buried in the Assumption Cemetery, Eden Valley, Meeker City, Minnesota.
I show that Hubert Hammes was born June 30, 1831 in Gillenfeld, Prussia, Germany and died April 8, 1904 in Twn Auburn, Fondulac City, Wisconsin.He had married Anna Elisabeth Thoennes in St. Michael's, Washington City, Wisconsin sometime before 1860.
They had the following other siblings: Karl (b.1825), Catharine (b.1826), Franziska (b.1829), and Elzabeth (b.1834).
Jacob and Hubert's Dad's name was John Jois Hammes (b. 1797 in Gillenfeld, Prussia, Germany), and their mom's name was Elisabeth Wallenborn (b. 1801, Bengal. Prussia, Germany).
John Jois' dad was Jakobum Hammes (b.1743/1744 in Gillenfeld, Prussia, German) and his mom's name was Anna Katherine Arnoldi(b.1758 in Rengen, Germany).Jakobum and Anna's other kids were: Katherine (b. 1786), Maria Katherine (b. 1787), Phillip (b. 1791), Johann Mathias (b.1794) and Johann Josef (b. 1798).
Jakobum's dad was Johann Adam Hammes (b.1708 Gillenfeld, Prussia, Germany), and Jakobum's mom was Maria Eva Schinden (b. 1710).Johann and Maria's other children were: Huber (b. 1743), Anna Katharina (1746)(died early) and Anna Katharina (1748).
Anna's dad was Gottfried Arnoldi, and her mom was Elisabeth Schreiners.