The disabled junkie who wrote 'Requiem for a dream' married 3 times and had 4 children

[Dreckssau]

According to Wikipedia, the guy spent most of his 20's bedridden, with parts of his lungs removed. He was frail, on disability and later became a serious junkie.

During that time, he married and had two children, long before he was famous. He remarried two times.