Sharing WLM calendar with Outlook Web Access (Exchange Online)

Hi,

I'd like to know if it's possible to view a WLM calendar on OWA. At the office we use Exchange Online and Outlook Web Access for our mail and calendar solution. At home, my family uses a Windows Live calendar (outlook.com address) to manage our family's schedule. Is there any way that I can view the family calendar (WLM) on my work account (OWA)? Ideally, I'd like the option to toggle the family calendar on/off. I'd also like to keep the family calendar hidden from my colleagues when they view my work calendar.

Thanks