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.