Baron Johan Hugo Mackay (born 1914) (b. 1914) Parents Dirk Rijnhard Johan Mackay Johanna Elisabeth Blaauw Children Baron Alexander Rijnhard Mackay Donald Johan Mackay Carol Huguette Mackay Margaret Elizabeth Mackay Siblings Eric Rynhard Alexander Mackay Johan Jacob Mackay Anna Maria Mackay Patricia Mackay Helene Gérardine Mackay Partners Margaret Pearse Herbert