Maarten Maartens
Maarten Maartens, pen name of Jozua Marius Willem van der Poorten Schwartz , was a Dutch writer, who wrote in English. He was quite well known at the end of the Nineteenth and the beginning of the Twentieth Century, in both the UK and the US, but he was soon forgotten after his death.
The author was born onAugust 1858 in Amsterdam as Jozua Marius Willem Schwartz. His friends and relations called him Joost. His father August Ferdinand Carl Schwartz was a vicar at the Scottish Missionary Church. Jozuas father was originally Jewish, but had converted to Christianity. He became a clergyman with the special task of convincing other Jews to take the same step.
Source: Wikipedia