What is the the truth about Bee Gee Robin Gibb's 'open marriage'?

He had a lovechild with their young housekeeper. His wife's a druid with a bisexual past. Fve weeks ago after undergoing emergency surgery he discharged himself from hospital. Robin, you see, doesn’t really do rules.

Emmy Rossum Erica Leerhsen Erika Christensen Estella Warren