Martha Short Edmunds (1763-1789) was William Short's oldest sister. She married Col. Thomas Edmunds, with whom she had two children.
Elizabeth Short Ridgely (1766-1822) was William Short's younger sister, who married Dr. Frederick Ridgely after moving to Kentucky. They had two sons and two daughters.
Sarah Short (1768-1794) was William Short's younger sister. Little is known of her, and she appears to have never married.
Jane Short Wilkins (1770-1831) was William Short's youngest sister. She followed brother Peyton to Kentucky and married Charles Wilkins, who became a wealthy businessman.
Delores M. Lind, The Descendants of William Short Across America (1613/14-1659), (Self-published, 1998): 11-13.
“Thomas Jefferson to William Short, 14 December 1789,” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-16-02-0022. [Original source: The Papers of Thomas Jefferson, vol. 16, 30 November 1789–4 July 1790, ed. Julian P. Boyd. Princeton: Princeton University Press, 1961, pp. 24–28.]
“William Short to Thomas Jefferson, 30 November 1792,” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-24-02-0665. [Original source: The Papers of Thomas Jefferson, vol. 24, 1 June–31 December 1792, ed. John Catanzariti. Princeton: Princeton University Press, 1990, pp. 679–682.]
P. Albert Davies, "Charles Wilkins Short, 1794-1863 Botanist and Physician," The Filson Club History Quarterly, 19, no. 3 (Jul. 1945): 134.
“Samuel Brown to Thomas Jefferson, 14 January 1801,” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-32-02-0330. [Original source: The Papers of Thomas Jefferson, vol. 32, 1 June 1800 – 16 February 1801, ed. Barbara B. Oberg. Princeton: Princeton University Press, 2005, pp. 460–461.]
Internal evidence.