Margot Madelaine Boer is a Dutch former speed skater. She specialised in the 500, 1000 and 1500 m.
Boer in 2009
Maria Aaltje ("Marianne") Timmer is a Dutch former speed skater specializing in the middle distances. At the 1998 Winter Olympics Timmer won a gold medal in both these events.
Marianne Timmer