Jacob IJsbrands DEURWAARDER, born ca.1754 in Firdgum, died on 14-04-1827 in Tzummarum, son of IJsbrand Jacobs and Tjitske Ydes.
Church marriage (1) on 17-05-1778 in Tzummarum (NH) to Baukje Baukes.
Church marriage (2) on 08-07-1792 in Tzummarum (NH) to Rinske Andeles.