Aanvullende media 5 januari 2022 Afbeelding bij Hans Maurits van Messel Door: Ruth Wassynger On 31 January 1957 the United States Office of Alien Property published its intention to return vested property valued at $2,704.09 to Robert and Hans van Messel, their mother ("Mrs. Hedwig"), and eight other Dutch citizens. Met: Robert Charles van Messel