At one time, the LDS site had Esther Davis as Gabriel Scotts wife. It also had Esther's parents as David Scott and Martha Davis. There was no explanation of the peculiar surname combinations (that's why I had question marks in my citation). There could be an error in David's name, or, Martha could have been previously married to a Mr. Davis and Esther was the child of that union.
Ancestry.com has a Gabriel Scott married to Esther Henderson; with Gabriel's parents being David Scott and Judy Swanson.
There is also a Gabriel Scott who married Martha Zornes who lived in Lewis and Carter County, Ky. He's on the 1850 Carter Co. census.
One Ancestry World Tree project posted chart has Gabriel married toMartha Zornes, Esther Henderson, as well as a Nancy Bagby. This does not seem credible to me, though I have done little original research on this line. I doubt that posted descendancies are going to resolve this issue.