I have some info here: Robert Kingsbury d. abt 1668 in Calvert Co., MD; m. Mary Wells. Son: Dr. James Kingsbury, b. Calvert Co.; d. 1726; m. Elizabeth Hall. Son: James Kingsbury, Jr. b. abt 1703; d. abt 1755;m. Ann Demillian(e) abt 1725.
children: Capt. John Kingsbury Martha K Elizabeth K Gabriel K Domillian K; b. 1726
Mary K; m. Francis Freeland,1st in 1757, son of Robert Freeland and Martha Day.i have much more on these people.
James K; d. 9/9/1784, MD Sarah K
I got all this from the Freelands, who have done extensive work.Mary Kingsbury Freeland's 3rd son is John Kingsbury Freeland.He and some siblings pioneered Mason Co., KY after 1800.