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 people who knew him. His father Jonas Bierman peddled animal skins, scrap metal and textiles at farms …