Simplify the following text for a Grade 10 native English-speaking person.
Original: Rembrandt worked to have her committed for twelve years to an asylum or poorhouse ( called a `` bridewell '' ) at Gouda , after learning Geertje had pawned jewelry that had once belonged to Saskia , and which Rembrandt had given her .
Simplified: p28 When Rembrandt learned she had pawned Saskia 's jewellery , which Rembrandt had given her , he had her committed for twelve years to a poorhouse ( a ` bridewell ' ) at Gouda .