Emma was married May 25, 1876 to Charles Mathias Bartberger, born February 23, 1850, died February 5, 1939. They had 10 children.

Emma Elizabeth Demmler was the daughter of John Henry Demmler, born February 12, 1810, died August 26, 1893 and Christina Barbara Breitenstein, born May 13, 1817, died December 31, 1871. John Henry and Christina were married November 13, 1836.

Emma Elizabeth's siblings were:

Sophia C. Demmler, born September 24, 1837, died October 30, 1856

Louisa Christina Demmler, born July 24, 1839, died February 28, 1898 and married December 29, 1868 to Philip Christian Schoeneck, born June 6, 1831, died February 12, 1910

Henry Herman Demmler, born September 25, 1841, died August 2, 1895 and married May 24, 1870 to Louisa Alvine Heeren, born May 20, 1849, died December 3, 1941

Louis Frederick Demmler, born August 23, 1843, died November 18, 1921 and married November 9, 1876 to Mathilda M. A. Stifel Mussler, born June 15, 1844, died June 24, 1916

Julia Mary Demmler, born January 4, 1846, died August 4, 1919 and married November 23, 1870 to Frederick Edmuch Schenck, born June 2, 1844, died November 3, 1935

Edward William Demmler, born August 8, 1848, died August 11, 1930 and married November 23, 1882 to Wilhelmina Augusta Mayer, born March 2, 1863, died April 8, 1956

Albert John Demmler, born July 12, 1855, died December 5, 1941 and married September 12, 1883 to Emma Theobald, born March 31, 1857, died July 14, 1941

William Adolph Demmler, born July 12, 1855, died November 28, 1929

Herman Breitenstein Demmler, born January 18, 1858, died October 24, 1934 and married December 14, 1882 to Mary Sattler, born February 8, 1858, died March 15, 1931

Theodore Carl Ernst Demmler, born April 23, 1863, died January 29, 1938 and married October 4, 1888 to Anna Mary Theobald, born April 4, 1867, died June 7, 1956

The information above was compiled by Helen D. Bright and Frederick Bright on November 1, 1962.