Maybe this will help....regarding William Pyle who married Betty Chads. Per History of Chester County, Pennsylvania by Futhey and Cope: pages 761 and 762 William married Betty, daughter of Francis Chads, and settled in Birminham where he died June 1, 1746 leaving children, - Ralph, Joseph, John, William, Elinor, Mary and Sarah. William who married Betty was probably the son of Robert Pyle of Stanton Barnard, in the county of Wilts, yeoman, and brother to Robert Pyle Jr. and Nicholas Pyle of Pennsylvania. Per page 761 states: "Pyle.--"The first document recorded in our oldest deed book is a power of attorney from Robert Pyle, "of Stanton Barnard, in the county of Wilts, yeoman," to Robert Pyle, Jr., and Nicholas Pyle, of Pennsylvania, dated Aug. 29, 1688. The latter were probably sons of the former, and they had a brother Ralph, who was also among the early settlers. Robert Pyle, of Horton, in the parish of Bishops Canning, Wiltshire, England, malster, was married to Ann the dauther of William Stovey, of Hilperton, in the same county, yeoman, in the 16th of 9th mo. (November), 1681. They setteled in Bethel as early as 1684. They were both in membership with Friends, early meetings were sometimes at his house and in 1706 he was one of a committee to establish a meeting at Nottingham. He was a representative in the Provincial Assembly several years and also served as one of the justices of the County Court. His children were Sarah b. 11,27,1682,d. 12,16, 1706 m. John Vernon; Robert, b 7,17,1684, m. Elizabeth Swaffer, 1709; William, b. 11,26,1685, m. Olive Beenett, 1707; John, b. 6,8,1687, m. Lydia Thomas and Susanna Chamberlin; Mary, b. 11,13,1688, m. Thomas Moore, 1713; Jacob, b. 1,5,1691, m. Alice Bowater, 1713; Joseph, b. 11,5,1692, d. 1754, m. Sarah Dicks in 1716, and Sarah (Pennell) Gibbons in 1732; Daniel, b. 5,29,1694, m. Mary Chamberlin in 1717, and Mary Pennell in 1727. Robert Pyle married in 1725, a widow, Dorothy Turner, and died in Bethel in 1730. Isaac Pyle, son of William and Olive, married Elizabeth Darlington, and settled in Marlborough, where he died 11,8,1794. His cousin Moses, son of John and Lydia, married her sister, Mary Darlinton, and settled in Newlin, mary, daughter of John and Susanna, married Benjamin Trego, 9,29,1753. Joseph Pyle, son of Joseph and Sarah of Concord, marrie d9,20,1753, Alice daughter of James Smith of Lampeter, Lancaster co. and settled in West Marlborough, near Londongrove Meeting. Hischildren were: Alice, m. Thomas Wilkinson; Joseph; Sarah m. allen Chandler; Rachel; Ann m. Levi Baker; James m. Mary Bunnell; Betty m. John Thompson; Rachel; Jane m. Jehu John; Robert m. Hannah Clark; Smith; Susanna. Nicholas Pyle, the emigrant, married in 1688, Abigail, daughter of Joseph Bushell and settled in Bethel, but about 1696 removed ot Concord. In 1713 he married Ann Webb, of Philadelphia and died about the year 1717. He appears to have been a man of good business qualifications and accumulated a considerable proberty before his death; was one of the owners and projectors of the "Concord Mills," and was otherwise useful as a pioneer in developing the resources of the country. He represented Chester County in the Provincial Assembly six years, and served in many other civil employments. In religion he was earnestly devoted to the doctrines and principles of Quakerism. Children of Nicholas and Abigail Pyle were Mary, m. Joseph Sharp; Edith m. Nicholas Newlin; Nicholas m. Sarah Worrilow; Samuel was a physician and settled in Kennet where he died 1749; James; Joseph; Sarah m. Joseph Way. Ralph Pyle unlike his brothers, does not appear to have been a Friend. Some of the family were buried at St John's church, in Concord. He lived in Concord township, and was active in public affairs. His son William married Betty, dauther of Francis Chads, and setted in Birminham where he died June 1, 1746, leaving children, Ralph, Joseph, John, William, Elinor, Mary, and Sarah." Hope this helps you in your research and gives you more avenues to search.