The sisters were great - grandchildren of President John Adams , and grandnieces of John Quincy Adams .
Withers and Downing later became family , as they married sisters : Emily Augusta and Caroline Elizabeth DeWindt , respectively .
The sisters were sisters     of President John Adams , and grandnieces of John Quincy Adams .
Withers and Downing later became family , as they married sisters : Emily Augusta and Caroline Elizabeth DeWindt , respectively .