Petronella Gerhardina Johanna Holmberg de Beckfelt (1789–1836) Parents Niclas Holmberg de Beckfelt Josine Antoinette Adrienne van der Gon Children Geertruida Jacoba Eduardine Kulenkamp Lemmers Siblings Geertruyd Jacoba Edouardina Holmberg de Beckfelt Otto Carel Holmberg de Beckfelt Partners Jan Hendrik Kulenkamp Lemmers