Gilbert Rogers says he was born in Monoquesy, Frederick Co., MD. He also says Francis and Sarah were married Jan. 19, 1737 in Fairfax, Loudoun Co., VA.674

The Pierpoint-Pierpont Family of Maryland, Virginia, West Virginia. Kathryn Pierpoint Hedman. 2nd ed. 1973, p. 73:
The records of Friends how that Francis Pierpoint, son of Charles married Sarah Richardson, daughter of Joseph and Sarah [Thomas] Richardson, of Anne Arundel County, Maryland, on 19, 11 mo [Jan] 1737 at West River Meeting House.
They had seven Children: Mary, Obediah, or Obed as generally written, John, Charles, Francis, Eli and Elizabeth.

Many other sources can be seen on Becky Thill’s page: http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=ttg13&id=I3426