Phebe was born to David and Rebecca Leanna (Conner) Webb perhaps in Johnson or Jackson county, Indiana. She married Clark Sanderson on 30 July 1840 in Johnson county, Indiana. To this union were born three dauthers: Julia Ann, Mary Adaline and Phebe Jane. Shortly after her youngest was born, she passed away about 1850-52, her exact death date is unknown. Her name cannot be located on any census records. Clark married 2nd in 1856.