Abt 1768 - Yes, date unknown| 1. | Sybyl Halleck was born about 1768 in of Washtenau, Michigan; and died. Family/Spouse: William Halleck. William (son of James Hallock and Mary Post) was born in 1764 in Mattituck, Suffolk, New York, United States; died in Michigan, United States. [Group Sheet] [Family Chart] |
