Abstract from the article 'David Bierman. Een van God getekende' by L. Huizing:
'David Bierman. Mentally disabled and a hunchback. Every day he walked about the village playing his little organ for people to hear his music. He was well-known in Dalen and surrounding villages. There must still be pe…
The Biermans were poor and pious. When father Jonas died in 1920, mother Eva was left behind with the children. The family lived in the Bente next to the windmill at first and later moved to the Hoofdstraat. David Jonas was a hunchback and was mentally disabled. He had a little organ, which he playe…