Jane Walker married John Ritchie Inman. Jane is the daughter of James Walker and Jane Thompson- daughter of William Black Thompson and Elizabeth Blair Lyle. William Black Thompson is the son of Thomas Thompson and Mary Black - Samuel Black and Alice Murdock.
John Ritchie Inman great grandson of Alexander S. Ritchie and Jean Caldwell- daughter of Joseph Caldwell and Elizabeth Jane McGhee.
The Kincaid / Kinkead seem to be closely related to these families.