Parents

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Frank Schlesinger research assistant 1922-1924 Yale
Pieter Johannes van Rhijn grad student 1926 RUG
 (The stars of high velocity)

Children

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Gart Westerhout research assistant 1950-1954 Leiden
Gijsbert van Herk grad student 1936 Leiden
Leendert Binnendijk grad student 1947 Leiden
Adrianus Jan Jasper van Woerkom grad student 1948 Leiden (Physics Tree)
Maarten Schmidt grad student 1956 Leiden (Physics Tree)
Lodewijk Woltjer grad student 1957 Leiden (Physics Tree)
Ernst Raimond grad student 1964 Leiden
William Butler Burton grad student 1970 Leiden
William Whitney Shane grad student 1971 Leiden
Pieter Corijnus van der Kruit grad student 1971 Leiden
Renzo Sancisi post-doc 1965-1966 Leiden Observatory
Guido Münch research scientist 1958 Leiden Observatory
William Clarence Erickson research scientist 1962-1963 Leiden