Before her wedding, the farm was worked by Elisabeth and her brother
Eisse
His name does not seems to appear on a legal document with the last name halsema; however, there is a spoon with the initialls on it JJH.
It may be true that Julle Jans, the husband of Elisabeth Freerks Boelens was never called "Halsema" in the official documents. However, he certainly called himself this, as is shown in the picture above from the Boelens book, page
516. The spoon has the following notation by the authors: (translated) "Spoon with trefoil-handle; inscription J.J.H. [Julle Jans Halsema] L.F. [Liesbeth Freerks] 81 over 88 = 1781; mark W= Antonius J. Warffemius, master at
Nieuwschans; property of Drs. E.O. van der Werf in Groningen" (Drs J.M.B. Boelens & O.J. Nienhuis)
The authors make the point, that Elisabeth never appears with the name "Boelens" Digital Genealogy Archive Netherlands
Information is from a link off ofhttp://geneaknowhow.net/digi/resources.html Josh Timmer Online Den HOORN (Gr) 1727-1811 Julle Hendrikus (JHH)
Information provided to Douglas Halsema ca 3/2000.