← The land

Person PER-001909

Jean Louis du Plessis

1691 – 1768

Names

Given
Jean Louis du
Surname
du Plessis

The formal baptismal name and the name a person was actually called are both kept, and neither is derived from the other. Spelling drift between records is evidence, not noise.

Immediate family

Father
Jean Prieur du Plessis
Mother
Marie Madeleine Menanteau
Brothers and sisters
Charl Prieur du Plessis
Children
Martha du Plessis

A life in the record

  1. 1691 born Born
  2. 1768 died Died

What we don't know

A sourced gap beats an unsourced fill. These are the open questions on this person, stated rather than papered over.

Research notes

*** THE ROW THAT OVERTURNS THE NEGATIVE OF AN HOUR EARLIER. *** Father of MARTHA DU PLESSIS (PER-000750), and a son of Jean Prieur du PlessisM (PER-001905) and Marie Madeleine MenanteauM (PER-001906) - THE SAME COUPLE who are the parents of Charl Prieur du PlessisM (PER-001903). So Jean Louis and Charl Prieur are BROTHERS, and MARTHA AND DANIEL DU PLESSIS ARE FIRST COUSINS. LEAD-0272 tested for siblings, found none, and drew the wrong conclusion from a correct answer.

[FS] Added 23 Aug 2026 from a FamilySearch fan chart of Jan Louis VenterL supplied by Frans. Thin record; no place imported.

These are working notes, not finished prose: they carry the reasoning, the corrections and the things still marked to verify. They are kept here so the page itself can read as what is known.