You are related to the Yarbroughs through your 2nd great grandfather on the
Sling side, John Henry "Jack" Sling who married Margaret Yarborough "Maggie"
Dilworth. She was the daughter of George Anson Dilworth and Mary Ann
Elizabeth Lamkin. George was probably the first doctor in McMullen County.
He was the son of Andrew Dilworth and Mary Elizabeth Parchman. The
Dillworth's are probably the most influential family in the early history of
south Texas but the Yarbrough's and Parchman's were right in there with the
Dilworth's. The Dilworth's ended up owning big chunks of land in McMullen
County that was awarded to them for doing surveys of the county.
The Dilworth's also played a big part in Gonzales County. I don't have all
the family connections but they were all related. The Parchman's are
cousins to you and they are the family that the Alamo defender William
Philip King came from. His mother was a Parchman.
I have not made the connection to Margaret Yarborough Dillworth with the
Yarbrough's due to lack of time to look into it. She does not appear to be
descended from the Yarbroughs. I used to think she may have previously been
married to a Yarbrough but some of the more advanced Dilworth researchers
seem to think she was named after the Yarbrough's because the families were
so close to each other and it is thought that the Yarbrough's raised some of
the Dilwolrth kids when the parents died or something like that so they
think she was named after them to honor their family. Either that or the
Dilwolrth's were playing good politics!
Interesting also is that one of my early 2nd cousins on my mother's side in
Williamson County was married to a Yarbrough.