- Son of Johannes Jurcksen and Rachel Williams
- Born about 1728
- Baptized 27 April 1728 at Sleepy Hollow Reformed Church
- Married Susanna ???
- Died August 1788 at Adolphustown ON
- Susanna ??? was born
- Daughter of
Children of Isaac Yerkse and Susanna ???
- William Yerex born 22 May 1769 at Phillipsburg NY
Died 6 June 1834 at London ON
- John I. Yerex born 1772 at Kingston, Frontenac County QC
Died 1834 at Kingston, Frontenac County QC
- Mary Yerex born about 1783