His sister has a son named Cornelis Jans who is orphaned at an early age and becomes a baker like Jan Geerts. Jan Geerts may have raised him.
From Richard paping: Presumably Jan Geerts had a sister Martje Geerts who had to marry 19-2-1730 RK Den Hoorn the inn-keeper Jan Cornelis of Den Hoorn (widower of Bouke Eisses). Her only son Cornelis Jans (baptised 1-4-1730,
orphaned at an early age) married 8-6-1754 Anje Jans and was in first instance a baker too, like Jan Geerts himself (who may have raised Cornelis Jans).
We know that Hijbel Jans is related to Jan Geerts as a halfbrother. He might have been a son of a hypothetical Jan Hijbels and Aaltje. His first daughter was an Aaltje! (as was the second daughter of Jan Geerts). He seems to had a
sister Frouke Jans living in Groningen (she was a halfsister of Jan geerts not his mother. Wessels, H.R.A Transcriptions
See source list link: prov. Groningen
Header section of the page reads:
"BRON: Hornhuizen en Kloosterburen, DTBL NH, T:1721-1750 HOH01
HERKOMST: RA Groningen, fotocopie van origineel
door: H.R.A. Wessels, P. Noorwitskwartier 24, 3723 AR Bilthoven.
Onder geen beding mogen deze gegevens worden gebruikt met het oogmerk, geldelijk profijt te verkrijgen, zonder vooraf verkregen schriftelijke toestemming van de samensteller. Publicatie van gegevens, waarbij gebruik gemaakt is vangegevens uit deze bronnen, dient te geschieden met volledige bronvermelding.
P. Noorwitskwartier 24
3723 AR Bilthoven (NL)
These transcripts are also in my email from Mr Wessels --DGH Digital Genealogy Archive Netherlands
Information is from a link off ofhttp://geneaknowhow.net/digi/resources.html Gary Verver Halsema_Down
The Ommelander Geslachten is a book (about 2, 000 pages with the index) about the descendants of Jacob Sijbolts and Geertruid Kornelis. Jacob was a farmer in Warffum. The Julles Halsema info shows up when a descendant ofWillem Borgman & Frouke Julles Halsema marries a 5th generation descendant of Jacob and Geertruid. The Borgman descendant is Willem Borgman born 13 Feb 1830 and the information about his ancestors is almost 4 pages.