This will document from 1714 in Richmond Co VA seems to suggest that Katherine Acre/Aker/Accus married THOMAS PERCIVAL, rather than William Percival (or perhaps his name was William Thomas Percival???). The will was Katherine's brother, and Hannah was her sister in law:
" . . . I . . . Hannah Accus, widow and relict of William Accus of Richmond County, deceased . . .for diverse good and valuable considerations . . . and on agreement . . . between Thomas Percivall on behalf of his son, William Percivall, begotten on the body ot Katherine Percivall, the eldest sister of the . . . deceased, and Cormack McCarman and Elizabeth, his wife, one other sister . . . concerning the division of . . . William Accus . . . estate a sufficient part whereof being by them surrendered and delivered up to me . . . do for me (and) my heirs forever release . . . unto . . . Thomas for the use of the said William and to Cormack and Elizabeth and . . . their heirs . . . all my right and title of dower . . . to the lands the said William Accus lately bought of Mr. George Glascock, deceased, which I now have or hereafter ought to have to the said land and premises with the appurtenances. As witness my hand and seal this 19th day of June 1714 . . . Hannah Akers."