Tiete Willems Kooistra, born in the year 1788, son of Willem Sierks Kooistra (lock-keeper) and Gettje Tietes, worker and farmer, died in Franeker on April 5, 1837, aged 49 years.

Tiete was married in Franekeradeel on June 14, 1812, at the age of 24 to
Froukje Jans Arbeider (aged 28 years), born in Arum on August 29, 1783, christened there on September 14, 1783, daughter of Jan Robijns Arbeider (worker) and Jeltje Gerrits de Jong, maid servant, died in Franeker on March 31, 1837, aged 53 years.