Geert Jans Boer witnessed this.
Koert Jans de Jonge witnessed this.
(1) He is married to Derkje ten Klooster.
They got married on May 25, 1901 at Zwartsluis, he was 52 years old.Source 2
(2) He is married to Elisabeth Fredriks.
They got married on October 13, 1910 at Zwartsluis, he was 62 years old.Source 2
grandparents
parents
brothers/sisters
children
Derk Drost | ||||||||||||||||||
(1) 1901 | ||||||||||||||||||
Derkje ten Klooster | ||||||||||||||||||
(2) 1910 | ||||||||||||||||||
Elisabeth Fredriks | ||||||||||||||||||