Johanna Elisabeth Backer (1770-1810) (1770–1810) Parents Cornelis Backer Czn. Agnes Maria Clifford Children Salomon Dedel Albertine Dedel Margaretha Cornelia Dedel Willem Gerrit Baron Dedel Jkvr. Isabella Dedel Cornelis Dedel Siblings Jan Willem Jacobus Backer Partners Pieter Samuël Dedel