While I was looking for some information on her funeral, I found a wonderful resource, Samuel Bentley's Excerpta historica, which not only has a detailed account of Anne of Cleves' funeral, but also has a transcript of her will.
Here is a link for you to read it online - https://archive.org/stream/excerptahistoric00bentuoft#page/294. The will can be found from p. 295 to 302, and then the account of her funeral is from p. 303 to 313. Fascinating stuff!