William, son of Henry Cassels & Margaret Mitchell, was born March 1735 Charleston, Charleston Co SC, died about 1785 Charleston Co SC.
Married: Margaret ? 1758.

Children of William & Margaret:
1. William Henry born 1760 St. Mark's Parish, Camden District SC, died Apr 20, 1789 Liberty Co GA.
Married: Rebecca Jones June 27, 1765.
2. Elias born 1763 St. Mark's Parish, Camden District SC, died Jan 15, 1815 Liberty Co GA & buried at Midway Cemetery.
Married: Sarah Jones Dec 10, 1789 Liberty Co GA.
Children: William, John, Elias, William H., Margaret Rebecca, David Anderson, Susannah, Benjamin Franklin, Samuel Jones, Thomas Quarterman & John Baker.

Notes:
1. 1778-1779 William Cassels name appears on the list of petit jurors to the East side of Wateree in Camden District SC. (book, The Jury Lists of South Carolina 1778-1779, pg 48)
2. William Cassels is my gggggg Uncle.