I also am from a family line of Oldenburger's. Here is my line starting with my closest Oldenburger:
-Hendrikje Halbes Oldenburger (great-grandmother)-Surhuizum; gehuwd met Tjeerd Sytzes Nauta
-Halbe Barelds Oldenburger-Surhuisterveen/Surhuizum; geh. met Jeltje Hayes Postma
-Barelt/Bareld Freerks Oldenburger--Surhuisterveen/Surhuizum; geh. met Geeske Wopkes Hoekstra
-Freerk Halbes Oldenburger-Surhuisterveen/Bergum; geh. met Geeske Barelds de Jong
-Grietje Reinders Oldenburger-Gerkesklooster; geh. met Halbe Rinses (kinderen haar familienaam gekregen)
-Reinder Freerks Oldenburger-Gem. Achtkarspelen/Surhuisterveen; geh. met Geertje Loukes
-Freerk Hendriks Oldenburger-Bokkeren, Duitsland/Dokkum; geh. met ?
There is a brother of my great-grandmother, Hendrikje Oldenburger, who went to America in 1893. His name was Haye Halbes Oldenburger. He married Reintje Annes Postma (a full cousin). Haye and Reintje died in Manhattan, Montana. One of their granddaughters, Evelyn Oldenburger, married an American astronaut.
There is also a story of an Oldenburger who murdered a woman:
Bauke Wittes Oldenburger and his friend Andries van der Veen were both convicted for the murder of Jantje Hoekstra-Postma (aka Postmus). The attack was commited on 25 October 1909 in the house that Jantje and her husband and son were living in the Surhuizumermieden area of Surhuizum. Jantje died 3 days later (28 October 1909) as a result of her injuries. Jantje Hoekstra-Postma was the wife of Auke Hoekstra and was 62 years old at the time of her death. Bauke was charged with actually committing the crime. Bauke was sentenced on 30 June 1910 to 18 years in prison. He was transferred in 1923 from a prison in Medemblik to the psychiatric facility in Eindhoven where he died on 21 April 1959.
Bauke Wittes Oldenburger's grandfather, Bouke Jans Oldenburger, was a brother to Oebele Jans Oldenburger who died in Emmen and was married to Martje Stel.
The friend of Bauke, Andries van der Veen, who helped with the crime, married Aafke Sweitzes Oldenburger after he came out of prison in 1928 (married in 1931). Aafke's grandmother was Aafke Jans Oldenburger who was a sister of Oebele Jans Oldenburger, the same who was married to Martje Stel!
groetens,
John