Margareta af Åkerö 29 Apr 1622 Ervalla - 23 Jun 1655 (1622–1655) Parents Baroness Katarina Bengtsdotter Oxenstierna, heiress of Ervalla manor Nils Turesson [Bielke], Lord of Åkero Children Åke Oxenstierna Siblings Sigrid Bielke Partners Erik Oxenstierna af Eka och Lindö