Mary Jane Unger b. 30 Dec 1819, was the second child of George Unger ( b, 18 Feb. 1796)and Elizabeth Bailey.George Unger was the son of Johannes Nicholas Unger b. 29 August 1759 in Lancaster Co PA and Catherine Hollinger b. 7 August 1760 in Lancaster Co PA.My line descends from their son John W. Unger but I do have some information on the children of George Unger and Elizabeth Bailey.This comes from an old book on the Unger family from the late 1890's.I cannot vouch for its accuracy but there are many Unger researchers out there who descend from your line.The Unger and Hollingers moved from Lancaster Co PA to Berkeley Co VA (now Morgan County WV) in the 1790's.
"Mary J. Unger, the second child of George and Elizabeth Unger, was born December 30, 1819 and died June 1857.She was married to John A. Jones in 1839.to this union were born eleven children as follows:
ANN ELIZABETH, their first child, was born May 20, 1840 and died Sept 12, 1897.She was married toThomas Cassada on July 25, 1866.To this union were born two children: George W. and Thomas Reuben.
DANIEL HENRY, the second child of Mary J. and John Jones was born Oct 31, 1841. He was married to Sarah Ellen Morgan, June 14, 1868 - four children: Effie Estella b. 29 March 1869, Kosa Belle b. 14 May 1873, Laura Alice b. 9 Jan 1875 and died Nov 20, 1887, Goldie Ellen b. 2 August 1882.She was married to James A. Rivers 13 July 1892.They had son Guy, b. 30 August 1894.
MARIAH CATHERINE, the third child of Mary J. and John Jones b. 20 Feb, 1843 and died Dec. 1874. She married Squire Morgan 12 Feb. 1860 - five children: first child died in infancy, Mary Elizabeth (m. Boston Morland and had seven children), John Henry, William Monroe and Charles Thomas.
MARGARET, died in infancy.
AMANDA V. b. 25 Nov, 1845 and married William H. Bausom, 23 August 1866 - eleven children:Mary A. b. 27 Aug 1867 d. 22 Dec. 1869; David W. b. 1 April 1870 (married Ruth A. Robertson 19 Sept 1891-four children Charles Lester, d. June 16, 1892; Arthur Glen b. 4 Feb 1894; Frank b. 19 Feb 1896; Inez b. 18 March 1898); Roseta A. b. 28 April 1872 (married Obediah E. Overholser 17 Sept 1893-one child Augustus b. 31 Oct. 1894). Noah M. b. 25 May 1873 d. 5 Jan 1874; Samuel A. b. 25 April 1875 (m. Florence Steward 10 April 1898); Pearl B. b. 8 May 1878; Ira B. b. 15 June 1880; Emma S. b. 9 July 1882; Goldie A. b. 3 Feb 1885; Amanda E. b. 9 Feb 1886; Oscal E. b. 9 June 1892 d. 21 Sept 1892.
JAMES WILLIAM b. 12 Oct. 1847, married Pricilla Brown- six children.
DAVID M. b. 19 March 1849 d. 18 June 1893, married Mary A. Harrass 16 May 1869 d. 9 April 1891-five children: Jennie E. b. 4 April 1870 d. 23 Feb 1888; Mattie A. b. 5 June 1873 d. 6 August 1874; Ronoldith L. b. 22 Jan 1875 (m. Minnie M. Shelly 25 Dec. 1895-one child Nelson b. 26 Dec 1896); Everett S. b. 19 May 1878 (m. Perley Kingery 23 Feb 1896-one child Garrett D. b. 30 Dec, 1896); Vern D. b. 16 April 1883.
JOHN THOMAS, b. 21 April 1851.
MARTIN V., b. 30 June 1852 - married Martha Milner 18 Dec. 1890 - four children: Ruth Merea b. 1 August 1891; Milner Russel b. 7 August 1893; Recee Annie Mary b. 8 Sept 1895; Martha Selesta b. 4 Oct 1897.
There were two other minor children of Mary J. and John Jones that died in infancy."
Hope I copied all the information correctly and I hope it helps.Let me know if you need anything more.