He was the youngest of the six sons of John Darby and Anne Vaughan .
John Nelson Darby was born in Westminster , London , and christened at St. Margaret 's on 3 March 1801 .
John Nelson Darby was the youngest of the six sons of John Nelson Darby   and Anne Vaughan .
John Nelson Darby was born in Westminster , London , and christened at St. Margaret 's on 3 March 1801 .