Derksen, Gijsbertus

Names remark: Derksen signs letters with 'Barto' or 'Barto (Gijsi)' (Simon Maris and family archive, inv. No. 27, 30.)

Derksen, Gijsbertus

Names remark: Derksen signs letters with 'Barto' or 'Barto (Gijsi)' (Simon Maris and family archive, inv. No. 27, 30.)