Source 1: Genealogical Dictionary Of The Early Settlers Of New England by Savage;
Source 2: History Of The Prentice Family Of New England by Binney;
Sarah is daughter of Humphrey Osland & sister to John Prentices first wife Hannah Osland;
Source 3: New England Marriages by Torrey:
Humphrey Olsnad D: 1720 & Elizabeth Hide (HYde D: 1723 Elisabeth is apparently another wife of Humphrey & M: 7 March 1666-67; The family lived at Cambridge & Newton, Middlesex, Mass;