You are correct. He was born to Ellender Self Plumer. In the book We Veitches, Veatches, Veaches, Veeches.... It is documented that Ann Veatch, daughter of John and Grace (Masters) Veatch married _______ Self. Her will was written on the 25th of September 1775, and proved the 12th of January, 1776. In it she left legacies to Ann Richards, Lettis Self, and Philander Self: also to son John Self and grandson, Elias Plumer, the son of a deceased daughter. No executor was named and her borother Silas Veatch, administered the estate..Fredrick Co. MD.