ANSWER PART 1 OF 2
Familysearch.org (FS) has the following information available which I hope may be of use
Isaiah Joel Adams Jones FS ID 2ZV5-L5H – born 1747 Juniata, Perry, Pennsylvania, United States – died 2 February 1821 Addison Village, Stueben, New York, USA – buried Addison, Steuben, NY
Spouse Rebecca Jane Baskins FS ID 2ZV5-GSB born 1748 Juniata, Perry, Pennsylvania, United States – died 2 February 1821 Addison Village, Stueben, New York, USA The date of death is suspicious
Isaiah & Rebecca’s marriage is shown as 1769
They were the parents of 5 boys & 8 girls
Parents of Isaiah Joel Adams Jones
FATHER Robert Jones FS ID LZIG-6TD born 20 May 1726 Montgomery Township, Philadelphia, Pennsylvania, British Colonial, America – died 23 March 1773 Montgomery Township, Philadelphia, Pennsylvania, British Colonial, America
MOTHER: Hannah Patterson FS ID LT5B-3X8 – born about 1726 Pennsylvania, British Colonial, America- No death or marriage dates shown. They are shown as the parents of one child who was Isaiah
I hope you can sort out the following
The following is a brief run down of Isaiah’s grandparents on his father’s side
Robert Jones 1695–1773 • LZ1D-ZFM
Franciscus Jones 1665–1727 • LZ1G-DJV
John Jones 1619–Deceased • LZ1G-NKJ
William Jones 1595 – 1683 GMSP-H8C
Sir Thomas Jones 1557–1604 • M7QP-VRT
Sir Henry Johns of Abermarlais Sir Henry Johns of Abermarlais
1532–1586 • 9N13-G1W
Sir Thomas Jones MP 1492–1559 • LVVN-S9P
John ap Thomas 1467–1511 • LVMT-N8M
Thomas Hynaf ap Gruffudd Earl of Cardiff 1425–1474 • LB7W-MDF
Gruffudd FitzUryan ap Nicholas 1393–1461 • LY19-JG7
Nicholas Ap Philip Fitz-Uryan 1367–1426 • LD5J-LKZ
Philip AP ELIDAR DDU FITZ URYAN URIEN WALES 1320–1405 • LBFZ-CLL
Elidir Ddu ApElidir (FitzUr*yan) Knig*ht of the Sepulchre, Knight of Cadiz 1246–1283 • L2DD-K8Z
Rhys Ap Gronwy 1242–1246 • K29P-TY1 (about 4 years old when died obviously wrong)
