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From Rodovid EN

Lineage	Blackwell
Sex	Male
Full name (at birth)	Joseph Blackwell
Parents ♂ Jacob Blackwell [Blackwell] ♀ Frances Sackett [Sackett]

Events

marriage: ♀ Mary Hazard [Hazard]

27 December 1845 child birth: New York City, ♀ Frances Elizabeth Blackwell [Blackwell] b. 27 December 1845

From grandparents to grandchildren