Probably Robert and Frances Sayer, parents of Louisa Caroline, John Davenport Shakespear’s wife.

26.viii.58, 22.ix.58, 4.vii.59, 8.xi.59, 9.xi.59, 13.xi.59, 20.xi.59, 5.xii.59, 18.xii.59, 5.vi.60, 11.vi.60, 19.vi.60, 5.vii.60, 7.vii.60.