Jan Willem Jacobus Backer

(1775-1807) (1775–1807)

Parents

• Agnes Maria Clifford
• Cornelis Backer Czn.

Children

• Agnes Maria Backer
• Jonkheer Mello Backer
• Hermanna Elisabeth Backer
• Cornelis Backer

Siblings

• Johanna Elisabeth Backer

Partners

• Josina Petronella Sichterman