While in Birchtown, Nova Scotia, Blucke became involved with Isabel. Margaret left her husband around 1788 and moved to New York. Margaret wrote to Rev. Mr. John Marrant, a freed slave who was often in Birchtown, from New York asking for information about Isabella, who she called a "poor unhappy girl" and asked whether Isabella could be removed from Blucke's household, optimally to Boston. She had previously written to Blucke to let her leave him, without a favorable response. In 1788, Blucke had also become unpopular because it was believed that he misappropriated funds. Stephen and Isabella had a daughter, Frances by April 21, 1796, when Frances was baptized at the Anglican Church and Isabella took Blucke's surname.
