he says there 's no prenup .
an insider tells us , “ in september , a judge ordered frances bean to pay silva $ 15,000 a month in spousal support as part of an interim frances bean cobain hubby wants fat allowance you left me broke !
love has said of the guitar — believed to be the last kurt played before his death — “ it ’s not [ silva ’s ] .
meanwhile , sources close to the struggle say it ended in a deadlock , and frances bean is ready to take the matter in front of a judge .
isaiah silva is requesting spousal support , and according to the docs he wants a ton of it -- nothing less than $ 25k a month .
silva is still holding out and — according to frances bean ’s side — is taking “ extreme and unsupportable positions ” on the disagreement .
isaiah says he left a steady job when they got married and frances promised to cover a bunch of his monthly expenses , including paying private school and housing bills for his child from a previous relationship .
cobain ’s daughter with courtney love , frances bean cobain , has been trying to get the instrument — which her father played in nirvana ’s seminal 1993 “ mtv unplugged ” concert — back from her estranged husband , isaiah silva , ever since they split in march 2016 .
frances made it clear in her divorce docs ... the kurt cobain money is hers alone and not isaiah 's -- but she is open to paying some spousal support .