Art
re Ann's parentage... , the John Kingswood -Elizabeth Clark marriage, shown in IGI, 1759 Reepham, is the only Kingswood marriage around the right time in Westwold deanery marriages.
If so ,IGI gives you two John Kingswood baps 20 years earlier. The best geographic fit is John son of Henry and Ann, 1737, Benniworth.
Most probable marriage for that is Henry Kingswood- Ann Torrington (wid) 1730 ,Alvingham (Louthesk deanery marriages)
John