Bess is mentioned in Doc Savage: His Apocalyptic Life by Philip José Farmer as being the daughter of Solomon Kane and his wife or lover, also named Bess and believed by Farmer to have died in childbirth.
The elder Bess is mentioned in Robert E. Howard's poem The Homecoming of Solomon Kane as having died seven years previously, and is a matter of some dispute amongst Howard devotees. It would be out of character for the Puritan Kane to have had a mistress, and there is no record in Howard's writings of his having been married. On the other hand, Bess cannot be "Good Queen Bess" - i.e. Elizabeth I - as many fans think, because of her distate for the Puritans' hardline form of Protestantism. Thus attempts to date the poem to 1610 - seven years after Elizabeth I's death in 1603 - are questionable.
Farmer states that the younger Bess married a Clarke, and that their descendent was Joseph Clarke, father of Micah Clarke. If Bess had been born around the turn of the seventeenth century, she and her husband would likely be Joseph's grandparents.