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Jacob Semans 1703–1759

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.

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

2 researchers on YourRoots have Jacob Semans in their family trees — each with their own records and documentation. Trace the migration path across 24 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 2 independent trees, with linked records

Born 10 Oct 1703 · Westbury, Queens, New York
Died 04 Apr 1759 · Oyster Bay, Queens, New York
Father Nathaniel Seaman
Mother Rachel Willis
Spouse Mary Seaman
Children Amy Seaman, Gilbert Seaman, Jacob Seaman, Jemima Seaman, Thomas Semans
Siblings Abraham Seaman, Hester Seaman, Hezekiah Seaman, Nathaniel Seaman, Rachel Seaman, Samuel Westby Seaman, Thomas Seaman
Records
New York, Genealogical Records, 1675-1920 U.S., Encyclopedia of American Quaker …
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Researchers connected through Jacob Semans 1703–1759

and 1 more tree owner connected with Jacob Semans 1703–1759

Immediate Family

Biography

Jacob Semans was born in 1703 in Westbury, Queens, New York, the child of nathaniel seaman and rachel willis. Jacob Semans married mary seaman, mercy powell, and had children including amy seaman, gilbert seaman, jacob seaman, jemima seaman, thomas semans. Jacob Semans passed away in 1759 in Oyster Bay, Queens, New York.

Sources

  1. 1
    Record New York, Genealogical Records, 1675-1920

  2. 2
    Record U.S., Encyclopedia of American Quaker Genealogy, Vol I–VI, 1607–1943

Life Timeline

1703
Birth of Jacob Semans in Westbury, Queens, New York
Birth
1759
Death of Jacob Semans in Oyster Bay, Queens, New York
Death

Oldest Ancestor Line from Jacob Semans

This ancestor line traces from Rouen, Seine Inferieure, Normandy, France (1000) to Westbury, Queens, New York (1703) across 24 generations.

Direct Lineage
generations

Frequently Asked Questions

Jacob Semans (1703–1759) was born in Westbury, Queens, New York and died in Oyster Bay, Queens, New York. 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 (B) based on cross-tree validation.
Right now, 2 researchers on YourRoots have Jacob 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 24 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.

Related Records

Nathaniel Seaman
Father
Rachel Willis
Mother

Jacob Semans's Ancestors

Pedigree chart — 3 generations on record

Self
Jacob Semans PTP
1703–1759
Westbury, Queens, New York
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Jacob Semans's Descendants

1.
JS
Jacob Semans PTP 1703–1759