Hello Han, you can write in Dutch, it is easier for me to write in English.
Jeltje Augustus is overleden op 14 October 1843 in Ureterp. Op de acte
staat, Jeltje Augustus De Roos, weduwe van Sjoerd Hendriks, dochter van
Augustus. I have the birth dates of the children as: Hendrik, born 21 June
1785, baptized 28 May 1786;
Dettje, born 7 August 1788, baptized on 16 November 1788; Geeske, born 24
December 1792, baptized on 23 June 1793; Douwe born 6 April 1794, baptized on
April 1794 and Sikke born 14 August 1803 and baptized on 2 October 1803.
Jeltje had a brother Johannes Augustus Brinksma, born in 1760 and a sister
Durkjen Augustus, born 1755-1761 in Drachten. August Jurjen Frederik
Welderman and Dettje Sikkes were married on 19 February 1755 in Drachten. I
will send you what I have on the descendants of Sjoerd Hendriks De Roos and
Arlene De Boer-Renkema