In divorce papers filed by Marilyn Manson, he lists his date of separation from his estranged wife Dita Von Teese as Halloween – not Christmas Eve as she claimed, according to a Jan. 12 court document obtained by PEOPLE.

Both Manson, 38, and Von Teese, 34, cite "irreconcilable differences" as the reason for their split.

Manson is trying to block any future claim from Von Teese of spousal support, although she currently has not asked for any. He also wants her to pay her own attorney fees, while she is seeking to have him pay for the divorce.

Von Teese, a burlesque dancer, filed for divorce on Dec. 29, after just over a year of marriage.

Sources close to the former couple tell PEOPLE that Manson's relationship with 19-year-old actress Evan Rachel Wood was a factor in their split, along with his increased partying.

It was last Halloween when Wood, looking strikingly similar to Von Teese with her hair in a 1940s coif, attended Manson's art gallery opening in L.A., in which he showcased his paintings, one of which was of Wood.

Manson and Wood reportedly met after he approached the Thirteen star to appear in the rocker's upcoming horror film project.

Reps for Manson, Von Teese and Wood could not be reached for comment.