Jhr. Diederic Jacob Herman Nicolaas den Beer Poortugael 1 Jun 1890 Kampen - 31 Jul 1972 Geldrop Parents Anna Johanna Dodonea Holdinga von Beesten Diederik Jacob Herman Nicolaas den Beer Poortugael Children Jhr. Mr. Diederic Jacob Herman Nicolaas den Beer Poortugael Siblings Hendrik Jan den Beer Poortugael