Lord Bexley—how descended from Cromwell?

In the notice of the late Lord Bexley in *The Times*, it is stated that he was *maternally* descended from Oliver Cromwell, the Protector, through the family of Cromwell's son-in-law, Ireton. Burke, in his *Peerage*, mentions that Henry Vansittart, father of Lord Bexley, was governor of Bengal (circa 1770), and that he married Amelia Morse, daughter of Nicolas Morse, governor of Madras. It would therefore appear that this said Nicolas Morse was a descendant of General Ireton. I wish to ascertain if this assumption be correct; and, if correct, when and how the families of Morse and Ireton becam…