Who was Johannes Hammer?

Johannes Hammer (1683–1765) was born in Koblenz, Koblenzer Stadtkreis, Rheinland-Pfalz, Germany and died in Roxborough, Philadelphia, Pennsylvania, United States. 2 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Johannes?

Right now, 2 researchers on YourRoots have Johannes in their trees. The ancestor migration map traces 4 generations of this lineage.

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Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

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Johannes John Hammer 1683–1765

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 2 independent trees

Birth year and location consistent across 2 trees

Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

C Reliability

Reliability Score: C

Basic — based on the source tree

Grade scale

A 3 criteria (Strong)
B 2 criteria (Medium)
C 1 criteria (Basic)

Verification checklist

Record available
Descendant's record available
Star tree owner

2 researchers on YourRoots have Johannes Hammer in their family trees — each with their own records and documentation. Trace the migration path across 4 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: July 22, 2026 · Reliability: C — verified across 2 independent trees

Born 15 Aug 1683 · Koblenz, Koblenzer Stadtkreis, Rheinland-Pfalz, Germany

Died 10 Jun 1765 · Roxborough, Philadelphia, Pennsylvania, United States

Father Johann Henrich Christopher Hammer

Mother Katherine Trin Heghman

Spouse Jane Stanfield Hammer

Children Elizabeth 7Th Greatgrandmother Society Of Friends Hammer Hamer Dickinson

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Researchers connected through Johannes Hammer 1683–1765

and 1 more tree owner connected with Johannes Hammer 1683–1765

Immediate Family

Parents

Johann Henrich Christopher Hammer

Katherine Trin Heghman

Spouse(s)

Jane Stanfield Hammer

Children

Elizabeth 7Th Greatgrandmother Society Of Friends Hammer Hamer Dickinson

Biography

In 1683, Johannes John Hammer entered the world in Koblenz, Koblenzer Stadtkreis, Rheinland-Pfalz, Germany, born to johann henrich christopher hammer and katherine trin heghman. Johannes John Hammer married jane stanfield hammer, and had children including elizabeth 7th greatgrandmother society of friends hammer hamer dickinson. Johannes John Hammer passed away in 1765 in Roxborough, Philadelphia, Pennsylvania, United States.

Sources

Life Timeline

1683

Birth of Johannes John Hammer in Koblenz, Koblenzer Stadtkreis, Rheinland-Pfalz, Germany

Birth

1765

Death of Johannes John Hammer in Roxborough, Philadelphia, Pennsylvania, United States

Death

Oldest Ancestor Line from Johannes Hammer

This ancestor line traces from Walddorf, Schwarzwald, Baden-Wuerttemberg, Germany (1597) to Koblenz, Koblenzer Stadtkreis, Rheinland-Pfalz, Germany (1683) across 4 generations.

Direct Lineage

generations

Frequently Asked Questions

: Johannes Hammer (1683–1765) was born in Koblenz, Koblenzer Stadtkreis, Rheinland-Pfalz, Germany and died in Roxborough, Philadelphia, Pennsylvania, United States. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (C) based on cross-tree validation.
: Right now, 2 researchers on YourRoots have Johannes in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 4 generations of this lineage geographically.
: It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
: Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.