Hello Peggy.I am very sorry - I typed in the wrong name for the brother of Ann Pole, who married Marmaduke Coate.The brother's name was Edward Pole, and he married Grace Jones.
This information was obtained from "The Newbold Collection," which is a huge collection of genealogical research which was done by Professor William Romaine Newbold, which is in the library in Philadelphia.It is also available on microfilm from the LDS Library (15 rolls of film if I remember correctly).This information appears on film #468291 on a page numbered 373, where it states the information was taken from some old papers dated in 1753.
There was a famous Doctor in England named Thomas Pole, who was a grandson of the above Edward and Grace (Jones) Pole.In "Journal Supplement No. 7," written by Edmund Tolson Wedmore for the Friend's Historical Society, and published in 1908, there is a picture of Dr. Thomas Pole.There also is a pedigree chart showing the above family relationships.
In addition, in the library of the Genealogical Society of Pennsylvania in Philadelphia, in a folder marked "Coates, Chester Co., PA, there is an original hand-written letter by Professor William Romaine Newbold, to a Miss Morton, which is dated 11-5-1894.In the third paragraph, Professor Newbold writes: "About the year 1812 Deborah Bringhurst of Wilmington Del., a descendant of the Poles, opened correspondence with our Newbolds about the Pole pedigree.She said 'old uncle Thomas Pole of Bristol in England' (born in the 1750's) wished to discover the descendants in America of Anne Pole Coate & her brother, who followed her hither."
Taken together, the above material clearly establishes that Ann Pole, who married Marmaduke Coate, had a brother named Edward, who followed her to America.
I am sorry that I said the brother's name was Thomas - I suppose I was just thinking about the letter from "ole uncle Thomas Pole."It is dangerous to write too much of this stuff from memory.