They married in The Hague on 7 January 1937, the date on which Princess Juliana's grandparents, King William III and Queen Emma, had married fifty-eight years earlier.
Mereka menikah di Den Haag pada 7 Januari 1937, tanggal dimana kakek dan nenek Juliana, Raja William III dan Ratu Emma, menikah 58 tahun sebelumnya.