LONGs - The Missing Link

More I am looking for any information that ties into the following LONG family.

Jacob LONG b Germany
emigrated to America with his parents when a small boy, settling with them in Western PA.
m Rachel CROZIER b PA
Their children:

1 John LONG

2 Jacob LONG b 1812 Indiana County, PA
m 1830 Clarksburgh, Indiana County, PA
Barbara SHIRLEY b 1811 Indiana County
d in her 87th year, Gage County, Neb.
d/o Thomas SHIRLEY & Mary "Polly" MILLER

21 Jacob L. LONG b 9 Aug 1831 Armstrong County, PA
m Indiana County, PA
Margaret Jane BOYLE b 2 June 1827 Armstrong County, PA
d 29 March 1907 St. Petersburg, Clarion Co., PA
bur St. Petersburg Cem.
d/o Thomas BOYLE & Eliza MCGINLEY
(Death record Clarion Count, PA - Margaret J. LONG, 79, b  Westmoreland Co., PA
Jacob was raised in Westmoreland Co., PA where he resided for a number of years.
He also made his home in Indiana Co., PA for a time, moving to St. Petersburg,
Clarion Co., PA in 1872.

211 Thomas Clark LONG b 1855
living St. Mary's, OH in 1898

212 John M. LONG b 1856 (James M in Clarion Co. History)
m 26 May 1881
Lillie VENSEL

213 Mary Jane LONG b 1859
m J.F. VENSEL

214 William Henry LONG b 1860

215 Lizzie Bell LONG b 1865

216 Nettie Florence LONG b 1870 d at the age of three years

22 Thomas S. LONG b 10 Jan 1833 Indiana County, PA
m 6 Feb 1878
Euphemia B. COOK
Thomas moved to Orion, Henry Co., Ill in the spring of 1858.

23 John S. LONG b 9 March 1835 Saltsburg, Indiana County, PA
m 21 May 1862 Geneseo, ILL
Nancy Jane FLEMING b 13 June 1837 New Paris, OH
John LONG moved to Rock Island Col, ILL in March 1854, later removing to Henry Co.,  ILL

24 Robert LONG living in Calif 1898

25 William LONG living in Gage Co., Neb 1898

26 Melinda J. LONG m William SPAHR M.D. living in Tarentum, PA 1898

27 David T. LONG C.W. Soldier died Andersonville Prison

28 Mary E. LONG m C. CHAPIN living Garden Grove, Calif 1898

29 Clark M. LONG d before 1898 farmer Union Soldier

2A Mathias LONG b 1852 living Mexico, MO 1898

3 Robert LONG

4 William LONG

5 Christian LONG

6 Susam LONG

7 Rachel LONG