Take a look at this:
https://www.wikitree.com/wiki/Bunch-97
Her birthdate is almost the same as her kids.
Does this help?
Found this, also.............
John William 'Old Bill" Blevins
1691–1771 • L153-FCX
No Marriage Events
Agnes Ann Bunch
1690–1740 • GCHV-ZTS
Preferred
Childrenof Agnes Ann Bunch and John William 'Old Bill" Blevins (8)
James Blevins Sr
1709–1801 • G49P-J6N
Mary Blevins
1710–1757 • LR4Z-DMZ
Daniel Blevins
1712–1771 • LH1R-XH1
John Blevins
1716–1805 • GQHJ-1MC
John William 'Jack' Blevins Sr
1720–1805 • G37D-QSN
Margaret Blevins
1725–Deceased • 9JHC-VGQ
Catherine Elizabeth Blevins
1738–1814 • LRCS-M6N
Sarah Blevins
Deceased • G8PM-HPK
Add Childto John William 'Old Bill" Blevins and Agnes Ann Bunch
Walden
Deceased • G8PM-QYX
No Marriage Events
Agnes Ann Bunch
1690–1740 • GCHV-ZTS
John Bunch II
1665–1729 • LTPX-C5W
Marriage: 16 Nov 1691
New Kent, New Kent, Virginia, United States
Temperance Rebecca Bates
1668–1735 • 9JXK-GCW
Childrenof Temperance Rebecca Bates and John Bunch II (5)
Agnes Ann Bunch
1690–1740 • GCHV-ZTS
William Bunch
1696–1742 • LY5W-4C1
Sarah Bunch
1698–1712 • L8SY-4YD
David Bunch
1699–1744 • LHXZ-TP5
James Bunch
1701–1744 • LHXZ-TRJ