Hourglass Chart
Helena Margaretha "Helena" de Muinck


Ir Johan Willem Theodoor "John" van Erp ‎(I18369)‎
Birth 6 June 1904 30 23 -- Magelang ‏(NOI/Indonesie)‏
Death 20 February 1980 ‏(Age 75)‏ -- Cleveland ‏(Ohio)‏ Usa
Dr Theodoor "Theo" van Erp ‎(I18387)‎
Birth 29 November 1911 37 30 -- 's-Gravenhage
Death 24 December 1971 ‏(Age 60)‏ -- Amsterdam
Wilhelmina Henriette Elizabeth "Betsy" Grevers ‎(I18368)‎
Birth 15 January 1881 25 26 -- Batavia NOI
Death 10 October 1969 ‏(Age 88)‏ -- 's-Gravenhage
Hendrik Ferdinand Gerard Johan "Henk" Grevers ‏(Ir)‏ ‎(I20546)‎
Birth 4 March 1884 28 29 -- Batavia
Death 9 November 1973 ‏(Age 89)‏ -- Oegstgeest
Maria Aletta Louisa "Aletta" Trip ‎(I20535)‎
Birth 28 August 1855 26 30 -- Zuidhorn
Death 15 August 1940 ‏(Age 84)‏ -- 's-Gravenhage
Helena Margaretha "Helena" de Muinck ‎(I20551)‎
Birth 25 November 1828 -- Grijpskerk
Death 13 November 1915 ‏(Age 86)‏ -- 's-Gravenhage