Hourglass Chart
Johannes Willebrands


Theodorus Joannes Jacobus "Theo" Groothuizen ‎(I62708)‎
Birth 4 January 1911 28 28 -- Alkmaar
Death 16 August 1998 ‏(Age 87)‏ -- Heerhugowaard
Johanna Maria Himmelreich ‎(I62741)‎
Birth 27 November 1882 30 23 -- Alkmaar
Death 12 August 1958 ‏(Age 75)‏ -- Alkmaar
Johanna Maria Willebrands ‎(I62750)‎
Birth 24 June 1859 37 33 -- Alkmaar
Death 2 May 1926 ‏(Age 66)‏ -- Blokker
Johannes Willebrands ‎(I62754)‎
Birth 26 April 1822 -- Alkmaar
Death 6 October 1862 ‏(Age 40)‏ -- Alkmaar