Complex sentence: Bill Hudson was once married to Goldie Hawn which and is no longer married to her, this doesn't make her any relationship Goldie Hawn aunt, but does make her the first cousin of Kate Hudson, and her godfather is Ozzy Osbourne.
Split into simpler sentences: Bill Hudson was once married to Goldie Hawn which he and is no longer married to her. This make's her any relationship Goldie Hawn not an aunt, but does make her the first cousin of Kate Hudson, and her godfather is Ozzy Osbourne.