He was born in
Hamm and moved to
The Hague where he became a pupil of
Hieronymus Lapis and started a family. He moved to London in 1786 for economic reasons and did quite well there. His daughter Katharina learned to draw and paint and became a poet; she married
Willem Bilderdijk after having an affair with him in 1795 when he taught her and her sisters in London. Schweickhardt died in London. ==References==