According to the book "Some Descendants of John Burk (1656-1699) Middlesex County, VA" your ggg grandfather Henry Burk was born Aug. 8, 1758 in Caroline County, VA; died May 18, 1840 Decatur Co., IN. Henry's father was Thomas Burk, Sr., b c1731-32 in Caroline County; died after 1812 in Franklin Co., GA.
Thomas' father was Henry Burk, born c1698 in Middlesex Co., VA; died 1777. This is our common ancestor. His father was John Burk, born c1656 in Middlesex Co., VA; died by Feb. 5, 1699.
John's father was John Burk, born before 1633 in England and came to Lancaster Co., VA c1550. He died by 1659.
Henry Burk (1758-1840)married twice; (1) Mary (?) McCormack and (2) Mary McKinney. Child Mary ? McCormack was:
I1) Joshua who married Catherine ___?. Their children were:
1) Gibson born Mar 6, 1806, Washington Co., VA; married in Rush Co., IN, Feb. 4, 1834, Sarah Ann Dewees; possibly went to Modena, MO.
2) James, b c1808, Washington Co., VA; died Jan. 13, 1849, IN; married Oct. 19, 1827, Decatur Co., IN, Mary Spillman.
3) Hardin, b 1811-1812, Washington Co., VA; married Jemima Ann Burk.
4) Nancy, b c1814; married July 9, 1830, Rush Co., IN, Japheth Brannum.
5) Elizabeth, b c1816; married Mar. 23, 1833, Rush Co., IN, True Parker.
Children by Mary McKinney:
I2) Thomas, born Sept. 8, 1789
I3) John, born April 8, 1791
I4) Henry Burk, Jr., born Jan. 6, 1793
I5) Mc Kinney, born Jan. 16, 1795
I6) Anna, born Sept. 28, 1796
I7) Patience, born Oct. 7, 1798
I8) Jane, born July 17, 1800
I9) Elizabeth, born Oct. 19, 1803
I10) Archibald (Archa), born June 26, 1806
I11) George, born July 8, 18__