1882, June 22
Jan Hendrik Frederik Grönloh born in Amsterdam, Reguliersbreestraat 49, the eldest of the two sons and two daughters of Jan Hendrik Frederik Grönloh shopkeeper and blacksmith, and Martha Maria van der Reijden. The family is Remonstrants.

February: move to Von Zesenstraat 9 in Amsterdam East

February: move to Mauritskade 83 / corner of Pontanusstraat in Amsterdam East

Public primary school in the 1st Van Swindenstraat in Amsterdam-Oost.

Three-year HBS at the Mauritskade in Amsterdam. Much appreciation for the lessons of R. A. Kollewijn.

Continuing education on the fourth three-year HBS at the Mauritskade in Amsterdam-Oost

Public Trade School on Keizersgracht in Amsterdam.

June: co-founder of a debating club, called GOHV (‘Exchange of views develops the mind’).
June: after the final exam, worked for several months as the youngest employee in the office at the Twentsche Bontweverij in Hengelo; lives with his aunt Agatha Grönloh.
October: back in Amsterdam. Employed at a few (4!) Trade offices.

February: first reading for GOHV. Sends the story “My friend and I” to the Illustrated Stuiversblad, where it is refused.
March: office clerk at the Nederlandse Handel-Maatschappij. – Enthusiasm for the ideas of Frederik van Eeden. – Sends “My friend and I” to De Echo.
June: is done by father, due to lack of interest, at the mixed singing club ‘Sweelinck’ in Amsterdam, of which he, due to lack of voice, becomes secretary. Start saving with friends of the singing club for the purchase of a piece of land.

February: present with a few friends at the first meeting, which resulted in the establishment of the Common Land Property Grant (GGB) in October.
March: farewell speech for GOHV.
April: death of his brother Hendrik (born April 28, 1885) from a heart condition.
September: leaves for Oldenzaal as office clerk at D. Breekland, in cotton agencies. Many trips in Twente and Westphalia.
December: joint purchase of a piece of land called ‘Tames’ at Huizen. An establishment of a sort of colony in imitation of Frederik van Eedens Walden, where he spends the weekend.

December: employed as a clerk at a cotton agency (the Murdfield company) in Rheine in Westphalia (Germany), wherever he goes to live.

Summer: the colony ‘Tames’ is considered to have failed and given up.

June: At the office with an export company, the Holland-Bombay Trading Company, in Amsterdam. Living again with his parents on the Mauritskade in Amsterdam.

February: marries Aagje Tiket in Amsterdam, from which marriage four daughters were born. Establishes itself on the Ringkade, now Transvaalkade, 29 in Amsterdam.
October: administrator of GGB’s weekly newspaper, De Pionier, General weekly newspaper for the Common Land Property Grant.

January: makes his debut as an author with a letter in De Pionier of 12 January. The ‘Venloër Grensbode’ story then offered is refused by the editors.
May: is elected the first treasurer of De Pionier, but thanks already in July.
April: birth of the eldest daughter Agathe Maria (Ati).
July: withdraws completely from GGB.
August: moves with his family to Laanweg 61, Amsterdam-over-the-IJ.

June: for the first time in Zeeland.
July: birth of daughter Nelly.

August: the first version of the story “The Inventor” is sent back by the Netherlands magazine.
September: an extended version goes to the magazine De Gids.

Debuts in the January issue of De Gids with ‘The Inventor’.

April: birth of daughter Jacoba Johanna (Bob).
May: business trip to Lisbon, Tangier, Algiers and visit to Portofino.


March: the story ‘Titaantjes’ arrives at De Gids.
May: promoted agent for the Holland-Bombay Trading Company.
October: after negotiations ‘Titaantjes’ is rejected by De Gids. The author turns to the Groot-Nederland magazine. November: serious stress; taken into a retirement home for a few months.

June: ‘Titaantjes’ appears in the Greater Netherlands.

The plan to turn the two novels into a book edition is successively rejected by the World Library, publisher C.A.J. van Dishoeck and publisher S.L. van Looy, while the company W.L. & J. Brusse keeps the author on the line.
June-July 1917: the writing of ‘Dichtertje’. Then negotiations about publication in the Greater Netherlands.

March-April: the novel collection of Poet – The Inventor – Titaantjes appears at publisher-art dealer J.H. de Bois in Haarlem.
Autumn: the whole family sick due to Spanish flu; N. with complications (pneumonia) in the hospital.
November: the family moves, as good and as bad as it goes, to Laanweg 53, Amsterdam-over-the-IJ.

From 1920 many business trips to England, Germany, France, Switzerland and Italy.

October 1925-February 1926: business trip to British India, with a trip from Bombay.
April 1926: move to Middenweg 166, Amsterdam-Watergraafsmeer.
July: appointed as director of the Holland-Bombay Trading Company.

May: serious stress; hospitalized.

February: Following an erroneous attribution of the pseudonym in A. de Kempenaers Vermomde Nederlandsche and Vlaamsche Schrijvers, publisher J.H. de Bois, in consultation with the author, announces in De Nieuwe Rotterdamsche Courant who was hiding behind the pseudonym Nescio.

Because the mistake is also made in another publication, Grönloh himself once again reveals his pseudonym in De Nieuwe Rotterdamsche Courant.