(Q27095716)
Statements
2 references
4 October 2016
20 February 1912Gregorian
3 references
4 October 2016
Willem Antonius van Helvert (English)
Willem Antonius van Helvert (Dutch)
6 May 1982
3 references
4 October 2016
Willem Antonius van Helvert (English)
Willem Antonius van Helvert (Dutch)
1 reference
4 October 2016