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Johannes KEYSER 1721–1799

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 6 independent trees
Birth year and location consistent across 6 trees
Death year and location consistent across 6 trees

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

B Reliability
B
Reliability Score: B
Medium — 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

6 researchers on YourRoots have Johannes KEYSER in their family trees — each with their own records and documentation. Trace the migration path across 7 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: B — verified across 6 independent trees

Born 25 Jul 1721 · Germantown, Philadelphia, Pennsylvania, United States
Died 2 Mar 1799 · Germantown, Philadelphia, Pennsylvania, United States
Father Peter Keyser (1676–1724)
Mother Margaret Sonplis
Siblings Abraham Keyser, Andreas Keyser, Anneke Annetje Keyser, Charles Keyser, Dirck Keyser, Elizabeth Keyser, Jacob Souplis Keyser, Joanne Keyser, Johannes Kiser, Katheline Cateleynte Keyser, Margaret Keyser, Michael Keyser, Nicholas Keyser, Welder Keyser

Researchers connected through Johannes KEYSER 1721–1799

and 4 more tree owners connected with Johannes KEYSER 1721–1799

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

The story of Johannes KEYSER began in 1721 in Germantown, Philadelphia, Pennsylvania, United States. Johannes KEYSER passed away in 1799 in Germantown, Philadelphia, Pennsylvania, United States.

Sources

Life Timeline

1721
Birth of Johannes KEYSER in Germantown, Philadelphia, Pennsylvania, United States
Birth
1799
Death of Johannes KEYSER in Germantown, Philadelphia, Pennsylvania, United States
Death

Oldest Ancestor Line from Johannes KEYSER

This ancestor line traces from France (1520) to Germantown, Philadelphia County, Pennsylvania, USA (1721) across 7 generations.

Direct Lineage
generations

Frequently Asked Questions

Johannes KEYSER (1721–1799) was born in Germantown, Philadelphia, Pennsylvania, United States and died in Germantown, Philadelphia, Pennsylvania, United States. 6 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 (B) based on cross-tree validation.
Right now, 6 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 7 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.

Johannes KEYSER's Ancestors

Pedigree chart — 3 generations on record

Self
Johannes KEYSER PTP
1721–1799
Germantown, Philadelphia, Pennsylvania, United States
Parents
Peter Dirck Keyser PTP
1676–1724
, Amsterdam, Noord-Holland, Netherlands
Unknown
Grandparents
Dirck Keyser PTP
1701–1756
Germantown, Philadelphia, Pennsylvania, United States
Elizabeth VanSingel Himpel PTP
1637–1681
, Amsterdam, Noord-Holland, Netherlands
Unknown
Unknown

Johannes KEYSER's Descendants

1.
JK
Johannes KEYSER PTP 1721–1799