Jonkvrouwe Hermina Clasina den Beer Poortugael (died 1945) (d. 1945) Parents Jacobus C.C. den Beer Poortugael Louisa Wilhelmina Heule Children Theodoor Philip Mackay Reinhard Alexander Mackay Erica Mackay Daniël Mackay Louisa Wilhelmina Elisabeth Amarantha Mackay Siblings Anton Willem den Beer Poortugael Louis den Beer Poortugael Jhr. Mr. Louis den Beer Poortugael Partners Æneas Mackay