Jacques Rensburg was unmarried. He frequently visited his sister Catharina ('Nina') Adler-Rensburg in Amsterdam, and she often gave him food and clothing, because his income was very irregular. Jacques was also a well-known figure at the reading table of the American Hotel on Leidseplein in Amsterdam, where he very frequently spent the evening, a ‘gentleman’ despite his threadbare clothes. He is said to have been credulous and naive, and he was regularly teased by his friends (who were mostly actors at Amsterdam's Stadschouwburg), to the great amusement of his large social circle. He was an eccentric and gifted person.
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The poet Jacques Rensberg behaved like a nineteenth century bohemian. In view of his mystic statements, he was sometimes called the 'Jewish grail knight'. Jacques Rensberg translated 'La Divina Commedia' by Dante.
S. Bloemgarten and J. van Velzen, Joods Amsterdam in een bewogen tijd 1980-1940. Een beeldverhaal (Zwolle 1997) 181
See also:
J. Meijer, J.K. Rensburg, 1870-1943 : een joodse graalzoeker (Amsterdam 1981);
Maurits Dekker, Amsterdam bij gaslicht (Utrecht/Antwerpen 1949) tweede druk, pag. 118 - 126