Dutch Egyptologist; she studied with Jozef Janssen who encouraged her to research the commemorative scarabs of Amenhotep III; apart from articles on early New Kingdom queens, she published The Large Commemorative Scarabs of Amenhotep III, 1969, with supplements in OMRO 42 (1961), 7-12; JEA 62 (1976), 74-80; and JEA 63 (1977), 83-87; she died in 1994.