I wanted to give a bit for your friend Sandra if you'd pass it on. She's very close on that info, but some is a bit off as well. Almost all of these birth, marriage, death and census records are available on Ancestry for her to verify.
Descendants of Isidore Touchard
1 Isidore Touchard 1814 - 1883 b: 1814 in France d: April 7, 1883 in New Orleans, Orleans Parish, Louisiana Census: 1870 7th Ward, New Orleans, Orleans Parish, Louisiana
.. +Marie Dominique Sergent 1831 - 1900 b: 1831 in France d: April 6, 1900 in New Orleans, Orleans Parish, Louisiana
......... 2 Antoine Touchard 1849 - 1886 b: 1849 in France d: March 2, 1886 in New Orleans, Orleans Parish, Louisiana
............. +Elizabeth Kander 1846 - 1876 b: 1846 d: June 19, 1876 in New Orleans, Orleans Parish, Louisiana m: July 16, 1874 in New Orleans, Orleans Parish, Louisiana
......... *2nd Wife of Antoine Touchard:
............. +Magdelena 1852 - 1882 b: 1852 in Germany d: June 28, 1882 in New Orleans, Orleans Parish, Louisiana m: Bet. 1874 - 1880
......... 2 Marie Adelaide Touchard 1851 - 1854 b: December 15, 1851 in New Orleans, Orleans Parish, Louisiana d: May 25, 1854 in New Orleans, Orleans Parish, Louisiana
......... 2 Mary Louise Touchard 1854 - b: 1854 in Louisiana
............. +Albert Maxwell 1845 - 1900 b: 1845 in Louisiana d: Bef. 1900 m: August 12, 1871 in New Orleans, Orleans Parish, Louisiana Census: 1880 New Orleans, Orleans Parish, Louisiana
....................3 Albert Samuel Maxwell 1872 - b: November 27, 1872 in New Orleans, Orleans Parish, Louisiana
........................+Rosa Anna Kerwin 1874 - b: 1874 m: July 21, 1896 in New Orleans, Orleans Parish, Louisiana
....................*2nd Wife of Albert Samuel Maxwell:
........................+Catherine E. Nagel 1884 - b: 1884 m: February 3, 1919 in New Orleans, Orleans Parish, Louisiana
....................*3rd Wife of Albert Samuel Maxwell:
........................+H. J. Luthjens 1884 - b: 1884 m: February 5, 1919 in New Orleans, Orleans Parish, Louisiana
....................3 Celine Maxwell 1874 - b: 1874
....................3 Marie Victoria Josephine Maxwell 1874 - b: January 11, 1874 in New Orleans, Orleans Parish, Louisiana
....................3 Louise Maxwell 1875 - b: September 22, 1875 in New Orleans, Orleans Parish, Louisiana
....................3 Noemie Maxwell 1876 - b: 1876
....................3 Mary Maxwell 1879 - b: April 23, 1879 in New Orleans, Orleans Parish, Louisiana
....................3 Felix George Maxwell 1883 - b: January 1, 1883 in New Orleans, Orleans Parish, Louisiana
....................3 Anthony Frederick Maxwell 1886 - b: September 10, 1886 in New Orleans, Orleans Parish, Louisiana
....................3 Julia Maxwell 1889 - b: July 15, 1889 in New Orleans, Orleans Parish, Louisiana
....................3 Louis Maxwell 1892 - b: November 15, 1892 in New Orleans, Orleans Parish, Louisiana
....................3 Louise Maxwell 1892 - b: November 15, 1892 in New Orleans, Orleans Parish, Louisiana
.........2 Paul Vincent Touchard 1857 - 1926 b: July 20, 1857 in New Orleans, Orleans Parish, Louisiana d: October 21, 1926 in New Orleans, Orleans Parish, Louisiana Census: 1910 Precinct 5, New Orleans, Orleans Parish, Louisiana
............. +Margaret Scanlon 1863 - 1929 b: 1863 in Louisiana d: August 3, 1929 in New Orleans, Orleans Parish, Louisiana m: January 18, 1885 in New Orleans, Orleans Parish, Louisiana
....................3 Johanna Touchard 1885 - 1930 b: October 17, 1885 in New Orleans, Orleans Parish, Louisiana d: August 1, 1930 in New Orleans, Orleans Parish, Louisiana
........................+Edwin C. Dorvin 1884 - b: 1884 in Louisiana m: March 19, 1908 in New Orleans, Orleans Parish, Louisiana Census: 1910 Precinct 5, New Orleans, Orleans Parish, Louisiana
....................3 Paul Touchard 1888 - b: February 13, 1888 in New Orleans, Orleans Parish, Louisiana
........................+Margaret Baltz m: June 15, 1909 in New Orleans, Orleans Parish, Louisiana
....................3 Mary Touchard 1889 - b: July 12, 1889 in New Orleans, Orleans Parish, Louisiana
....................3 Edmund Touchard 1892 - b: October 7, 1892 in New Orleans, Orleans Parish, Louisiana
....................3 Louis Touchard 1893 - b: February 13, 1893 in New Orleans, Orleans Parish, Louisiana
....................3 Margaret Touchard 1896 - b: February 10, 1896 in New Orleans, Orleans Parish, Louisiana
........................+? Lindsey
....................3 Lawrence Touchard 1897 - 1899 b: September 21, 1897 in New Orleans, Orleans Parish, Louisiana d: February 17, 1899 in New Orleans, Orleans Parish, Louisiana
....................3 Florence Touchard 1899 - b: October 9, 1899 in New Orleans, Orleans Parish, Louisiana
........................+Charles Louis Gaupp 1897 - b: 1897 m: December 1, 1916 in New Orleans, Orleans Parish, Louisiana
.........2 Louis Antoine Touchard 1865 - 1911 b: April 14, 1865 in New Orleans, Orleans Parish, Louisiana d: December 30, 1911 in New Orleans, Orleans Parish, Louisiana
.........2 Felix George Touchard 1867 - 1922 b: August 15, 1867 in New Orleans, Orleans Parish, Louisiana d: February 27, 1922 in New Orleans, Orleans Parish, Louisiana Census: 1910 Precinct 5, New Orleans, Orleans Parish, Louisiana
............. +Amelia DeSilva 1871 - 1942 b: 1871 in Louisiana d: October 1942 in New Orleans, Orleans Parish, Louisiana m: May 23, 1887 in New Orleans, Orleans Parish, Louisiana
....................3 William Felix Touchard 1888 - 1889 b: January 26, 1888 in New Orleans, Orleans Parish, Louisiana d: August 6, 1889 in New Orleans, Orleans Parish, Louisiana
....................3 Samuel Albert Touchard 1889 - 1891 b: September 26, 1889 in New Orleans, Orleans Parish, Louisiana d: May 23, 1891 in New Orleans, Orleans Parish, Louisiana
....................3 Marie Touchard 1891 - b: January 27, 1891 in New Orleans, Orleans Parish, Louisiana
....................3 Mathilda Touchard 1893 - b: December 16, 1893 in New Orleans, Orleans Parish, Louisiana
........................+Rudolph Morel 1890 - b: 1890 m: January 7, 1914 in New Orleans, Orleans Parish, Louisiana
....................3 Celina Touchard 1895 - b: December 10, 1895 in New Orleans, Orleans Parish, Louisiana
....................3 Richard H Touchard 1896 - 1915 b: November 2, 1896 in New Orleans, Orleans Parish, Louisiana d: November 11, 1915 in New Orleans, Orleans Parish, Louisiana
....................3 Anna Alice Touchard 1897 - b: July 20, 1897 in New Orleans, Orleans Parish, Louisiana
....................3 Juliet Hazel Touchard 1899 - 1900 b: October 14, 1899 in New Orleans, Orleans Parish, Louisiana d: May 10, 1900 in New Orleans, Orleans Parish, Louisiana
....................3 Charles Touchard 1903 - b: 1903
....................3 Velina Touchard 1905 - b: 1905
....................3 Vernon Edwin Touchard 1905 - 1940 b: 1905 d: October 1940 in New Orleans, Orleans Parish, Louisiana
....................3 Lewis Touchard 1908 - b: October 28, 1908
....................3 Lucille Touchard 1908 - 1998 b: October 28, 1908 d: March 27, 1998 in New Orleans, Orleans Parish, Louisiana
........................+Charles Hamilton Audler 1877 - 1962 b: March 8, 1877 in New Orleans, Orleans Parish, Louisiana d: August 1962 in New Orleans, Orleans Parish, Louisiana m: Aft. 1918 Census: 1920 1424 Dauphine St., New Orleans, Orleans Parish, Louisiana