Source:Old Kittery and her families, p. 330, identifies Ephraim, the husband of Rebecca Frink, as the s/o Ephraim and Ann Crockett. Other sources show this also, for example, Source:Genealogical and family history of the state of Maine, p. 1810. Since the father d. 1688, this would make the son Ephraim over 20 years older than his wife Rebecca, b. 1709. Source:The American Genealogist, p. 17:142, says the Ephraim who m. Rebecca Frink is the eldest son of Richard and Deborah (Haley) Crockett, and hence the grandson of Ephraim and Ann Crocket of Kittery.
