Wilhelm Joseph Barth, son of Johann Heinrich Barth and Anna Maria Burgdoerfer, was born on 10 September, 1848, in Hochspeyer, Bayern, Germany and died on 5 July, 1923, in Los Angeles, California.

Wilhelm Joseph married Philippina Knapp on 14 March, 1872, in Princeton, Illinois. Philippina was born on 5 October, 1853, in Boston, MA. and died on 31 July, 1906. They had five children: Wilhelm Jacob, Jacob, Philippina Catherine, Charles Henry, and Otto Michael.

Wilhelm Jacob Barth was born on 13 March, 1874, in RR Minonk, Illinois, and died on 22 August, 1944, in Princeton Hospital, Princeton, Illinois.

Wilhelm Jacob married Antje Henrietta Uphoff on 28 February, 1900, in German Evangelical St. Pauls Church, Minonk, Illinois. Antje was born on 14 March, 1876, in RR Minonk, Illinois and died on 24 February, 1941, in RR Walnut, Illinois. They had four children: Albert Raymond, Joeseph Franklin, Arthur Edward, and Florence Margaret.

Jacob Barth was born on 12 November, 1877, in RR Minonk, Illinois, and died on 13 February, 1949, in Minonk, Illinois.

Jacob married Clara Wilhelmina Oldenburg on 15 December, 1900, in German Evangelical St. Pauls Church, Minonk, Illinois. Clara was born on 6 August, 1878, in RR Minonk, Illinois and died on 17 April, 1956, in Minonk, Illinois.

Philippina Catherine Barth was born on 8 February, 1881, in RR Minonk, Illinois and died on 10 September, 1971, in RR Flanagan, Illinois.

Philippina Catherine married Peter Jacob Vissering on 10 February, 1904, in St. Petri Lutheran Church, RR Flanagan, Illinois. Peter was born on 19 August, 1880, in West Dunnum, Dunum, Ostfriesland, and died on 9 May, 1957, in RR Flanagan, Illinois. They had five children: Elsa Mabel Mae, Edna Philippina, Allen Earl, Living, and Living.

Charles Henry Barth was born on 23 March, 1886, in RR Minonk, Illinois, and died on 9 May, 1949, in Minonk, Illinois.

Charles Henry married Anna Hermine Onken on 10 December, 1907, in German Evangelical St. Pauls Church, Minonk, Illinois. Anna was born on 20 April, 1890, in Dana, Illinois and died on 8 January, 1961, in Peoria, Illinois. They had six children: Elmer Eno, Edna Anna, Living, Hilda Gertrude, Dorothy Mae, and Charles.

Otto Michael Barth was born on 10 March, 1890, in RR Minonk, Illinois, and died on 27 August, 1930, in San Antonio, Texas.