Agnes Shervoll (1533 – c. 1590) was the 13th great-grandmother of Cometan, classified as one of Cometan’s distant paternal ancestors in the Hardacre family line. Born in Rolvenden in Kent, little is known of Agnes’ life other than that she was the mother of John Gibson (1551 – 1592). Agnes is recorded as having died at the age of fifty-seven in Kent, England.
In Cometanic ancestry, Agnes is categorised as part of the 15th generation retrograde, classifying her as a distant ancestor of Cometan.