Get of Cleves

[2] The validity of the get in Halakha was disputed, with the central issue being whether the husband was of sound mind at the time of the divorce.

The document was written in a bordertown between Dutch and German territories named Cleves, and an asset split favoring the wife, when it was revealed to the husband's family, led to a challenge.

[6] Further complications were that the Polish rabbi had written two identical letters, and the ruling in the second court was that the divorce was valid.

[6] Some time after talking with one rabbi in London, and subsequently with another, the husband returned to Poland, then traveled with his "wife" to Frankfurt, Germany, whose court accounted for the minority opinion that the divorce was invalid.

[3] Insanity pleas in the 20th and 21st centuries regarding marriage and divorce now have a better foundation,[4] and it is still being discussed both in religious courts and academia.