Source Information
Ancestry.com. Throop genealogy : with special reference to the Throops of Grenville County, Ontario, Canada [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Throop, Herbert D.. Throop genealogy : with special reference to the Throops of Grenville County, Ontario, Canada. Ottawa, Canada: unknown, 1931.
