The following were received from a member of Shihan Jan de Jong OAM 9th Dan's first family which adds to the documentation associated with his legacy.
The above includes an address - Leede 60 Rotterdam Zuid - which was his first wife's parents address.
Gelieve deze kaart elke eerste les van de maand mede te brengen - Please bring this card with you every first lesson of the month.
De ontwikkeling van het Jiu Jitsu heeft twintig eeuwen geduurd. Laten we niet denken, dat we deze kunst in twintid dagen te leren is. - The development of the Jiu Jutsu has taken 20 centuries. Let us not think that we can learn this art in twenty days.
The latter statement is gold.
PS: Part of this blog is to act as a lightening rod for others who were involved with De Jong to contribute to the body of knowledge and images that is being developed. These images forwarded to me by members of his family and the memorabilia forwarded to me by a member of his school from the 1950s has supported that intention. Thank you.