The Bainbridge Island Genealogical Society will welcome an expert researcher as the guest speaker at the group’s next meeting.

BIGS will meet from 10 a.m. to noon Friday, Sept. 21 at the Bainbridge Public Library.

Sylvia Hasenkopf will present “Unearthing Records on your Revolutionary Ancestors.” An expert researcher in Palatinate, Colonial, and Revolutionary eras, she is also a noted columnist and house historian from Greene County, New York.

The meeting is free to members; a $5 donation is suggested for nonmembers. For more information, visit bigenealogy.org.