In abt 1764, Mercer Brown of Loudoun County, VA married Sarah (Piggott?). He was a Quaker and the marriage had him disowned. The couple was later reinstated and the children were raised Quaker. I have a lot of the information on him from Quaker records of Nottingham, MD, Loudoun county, Georgia and Ohio.
1 Mercer BROWN
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Birth: 7 Jul 1740, Nottingham, Chester, PA
Christen: Nottingham Meeting House, Cecil Co., Maryland, USA
Death: Dec 1802, Columbia County, Georgia
Father: Richard BROWN (1693-1745)
Mother: Mary NORTON (1713-)
Spouse: Sarah (PIGGOTT)
Death: abt 1810, Preble County, Ohio
Marriage: 1764, VA
Children: Elizabeth "Betsy" (1764-1769)
Mary (1765-)
Richard (1767-1818)
Sarah (1769-)
Ann (1772-1780)
Elizabeth (1774-1778)
Margaret (1776-1778)
Phebe (1778->1815)
Mercer (1781-1849)
http://archiver.rootsweb.ancestry.com/th/read/QUAKER-ROOTS/2011-12/1324304646