Phoebe is mentioned in a deposition found in IAS Book 4 and throughout many documents concerning Thomas Tosh and the Tosh Estate. It is stated that she most likely had a husband named Dave and children, though it is not listed who they were. In one testimony from the deposition, it is stated that Dave and his wife had three children and another was born within the time frame of the deposition. More information about their roles and lifestyle are given in the deposition along with information about Dick, Franky (Fanny), Mitchell, Sampson, and the unnamed children of Dick and Franky along with the unnamed children of Dave and Phoebe.
In IAS Book 4, the partition of the lands and other property of Edward Watts, Phillis is listed among the enslaved individuals that were bequeathed to Edward Watts's daughter, Mrs. Holcombe. A value of $500.00 was placed on Phillis.
In the will of Jacob Murray, Phill was permitted to select the person "to whom he wishes to be sold to." In the Sales Bill of Jacob Murray, Phil had a value of $800.00 placed on him and was then sold to J.W. Hurt for that price.