Sarah Sibley, b. say 1631. … [Sarah (-----) (Sibley) (Chickering) Bowles'] will confirms that the first wife of Timothy Dwight was the daughter of [John Sibley], but leaves unresolved the surname [Pennan] given to this daughter in the published marriage record.
↑ 3.03.1 Actually, the birth surname of Sarah Dwight is not settled by the language in her mother's will. It calls Timothy Dwight her son, but does not indicate whether Sarah was daughter of John Sibley or of an earlier husband.