The following will show their siblings and any descendants:
1. Henry Cart (1810 - ) & Margaret Irwin
1.1 James E. Cart (1838 - 15 Oct 1858)
1.2 Margareet M. Cart (1840 - 1867) & William A. Riffle
1.2.1 Mary Riffle (1867 - ) & Arbogast
1.3 Susan Cart (1842 - )
1.4 Letha Jane Cart (1843 - ) & William A. Riffle
1.4.1 Margaret Riffle (12 Aug 1870 - )
1.4.2 Malissa Riffle & Keffer
1.4.3 Mahala Delilah Riffle (24 Oct 1873 - ) & John Ramsey
1.4.4 Dora Riffle & Love
1.4.5 Parthenia Riffle & Massie
1.4.6 Glendora Riffle (25 Dec 1883 - )
1.5 Sarah C. Cart (1844 - 24 Apr 1868)
1.6 William M. Cart (1846 - ) & Mary E. Hays
1.6.1 Andrew Cart (23 Aug 1875 - )
1.6.2 E. Cart (5 Jul 1891 - )
1.6.3 Joseph Franklin Carte (8 Aug 1876 - ) & Tilda Jane White ( - 11 Mar 1931)
1.6.3.1 Unknown Carte
1.6.3.1.1 Ronda Carte & Unknown Dennis
1.6.4 Henry J. Cart
1.6.5 Minerva B. Cart
1.6.6 Andrew J. Cart
1.6.7 Sarah G. Cart
1.6.8 Nellie P. Cart
1.7 Martha E. Cart (1848 - )
1.8 John E. Cart (1849 - )
1.9 David S. Cart (1851 - ) & Lucinda Hayes
1.10 John Irwin Cart (1856 - 1857)
1.11 Allie Ann Cart (1857 - )
1.12 Mariah Louise Cart (4 Oct 1858 - 26 Jan 1860)
1.13 Silas Cart (8 Oct 1860 - )

The following will show ancestors of Henry Cart the father of William and david:

Source
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1 Henry Cart. Born 1810 in Va. He married Margaret Irwin, 14 Aug 1837.


Parents
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2 John Cart. Born 1779 in2. Died 1867. He married Susanna Dougherty, 12 Jul 1808.

3 Susanna Dougherty. Born 1787.


Grandparents
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4 Willhelm Cart55 (Karg). Born About 1752. Died After 1830 in Greenbriar Co Va. He married Catherine Heppenheimer.

5 Catherine Heppenheimer.


G Grandparents
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8 Johan Leonard Cart885 (Karg). Born 1 Oct 1720 in Mannheim, Germany. Died 1768 in Philadelphia, Pa. Occupation Blacksmith. He married Margaretha Schmidpeter.

9 Margaretha Schmidpeter. Born 1725 in Germany.


GG Grandparents
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16 Lenhardt (Or Leonhart) Karg. Born About 1694 in Germany. Died in Germany. He married Magdalene Meyers.

17 Magdalene Meyers. Born About 1698 in Germany. Buried in Germany.


GGG Grandparents
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32 Johan L. Karg. Born About 168517 in Germany. Buried in Germany.

34 Jacob Meyers.