Elizabeth Rachel Sizemore (Jackson) - Date of birth same as the mothers?

According to Shawnee Heritage, Geni currently shows her married to the wrong Sizemore, should be his father.

Shawnee Heritage X, Don Greene Page 66 link

Old Edward “Ned” Sizemore born 1720 / Henrico VA - hung as a Tory 1780 Wilkes NC. Son of Ephriam Sizemore (1696 / Henrico VA - 1743 Brunswick VA) & Mary. Married 1) Mary Spears 2) Elizabeth Jackson (daughter of William Bear Heart Jackson and Dorcas Green).
Father with Mary Spears of Edward “Ned” Sizemore (1742 / Lunenberg VA - 1804 / Halifax VA). Married (1765 / VA) to Rachel Jackson (1745 / Brunswick VA - after 1785.

Notice conflicting parents for Tory Ned Sizemore is this unreliable source also.

https://www.genealogy.com/ftm/p/a/n/Donald-N-Pantheryates/GENE8-000...

EDWARD4 SIZEMORE (HENRY3, WILLIAM2, MICHAEL1) was born Abt. 1720 in ,Henrico, Virginia, and died Abt. 1780 in Wilkesboro, Wilkes, North Carolina.He married ELIZABETH RACHEL JACKSON Abt. 1747 in ,Lunenburg, Virginia, daughter of WILLIAM JACKSON and DORCAS GREENE.She was born Abt. 1728.

Children of EDWARD SIZEMORE and ELIZABETH JACKSON are:
16. i. EPHRAIM5 SIZEMORE, b. 1748, Lunenburg Co., Va. (?); d. April 05, 1836, Spartanburg District, S.C..
ii. HENRY SIZEMORE, b. Abt. 1750.
17. iii. GEORGE EDWARD SIZEMORE, b. Abt. 1750, Lunenberg Co., Va.; d. 1820, Ashe Co., N.C..
iv. BECKY SIZEMORE, b. Abt. 1750; m.

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ALLEN.
v. PHILIP SIZEMORE, b. Abt. 1750.
vi. HIRAM SIZEMORE, b. 1750.
18. vii. OWEN SIZEMORE, b. Bef. 1755, Surry/Wilkes Co., N.C.; d. May 1837, Hawkins Co., Tenn.