Onno Reint Alberda van Ekenstein politician (1752-1821) (1752–1821) Parents Anna Maria Hora Onno Joost Alberda Children Jkvr. Anna Maria Catharina Alberda van Ekenstein Willem Alberda van Ekenstein Siblings Anna Josina Petronella Alberda van Ekenstein Catharina Johanna Alberda van Ekenstein