Family: Jacob (Henry) Heinrich Alexander / Margaret McKNITT (F368)
m. 1740-
Male
Jacob (Henry) Heinrich Alexander
Birth Abt 1715 Frederick, Frederick, Maryland, British Colonies 
Death 1784 Frederick,,Maryland,USA Burial Marriage 1740 [1] Frederick County, Maryland, USA [1] Father Henry Alexander | F48 Group Sheet Mother Rachael Francis | F48 Group Sheet
Female
Margaret McKNITT
Birth 1721 New Munster, Cecil, Maryland, USA Death 1789 Frederick County, Maryland, USA Burial Father Mother
Male
Johann Valentin Alexander
Birth 1741 Maryland, United States Death 1800 Frederick, Frederick, Maryland, United States Burial
Female
Mary Margaretha Alexander
Birth 12 Okt 1743 Frederick, Frederick, Maryland, United States Death 1821 Sycamore, Hamilton, Ohio, United States Burial Spouse Henry Baltzell | F1174 Marriage 02 Nov 1760 Frederick, Frederick, Maryland, United States
Female
Anna Maria Alexander
Birth 27 Aug 1753 Frederick, Frederick, Maryland, United States Death 1789 Maryland, United States Burial
Male
Jacob Alexander, Sr
Birth 1755 Frederick County, Maryland, USA Death April 1814 Middletown, Frederick, Maryland, USA Burial Spouse Anna Maria Magdalene Stottlemyer | F47 Marriage 1784 Frederick, Frederick, Maryland, United States
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Sources - [S1683512527] Ancestry.com, Geneanet Community Trees Index, (Ancestry.com Operations, Inc.).
- [S1683512527] Ancestry.com, Geneanet Community Trees Index, (Ancestry.com Operations, Inc.).