Technically 8 people, but they bought 12 windows phones, as some got an upgrade.
I'll list the phones of which they bought. I'll include my self in these.
Grandma: Dell Venue Pro, Nokia Lumia 920
Grandpa: Dell Venue Pro (I'm making him wait for the next lumia flagship)
Friend: HTC Trophy, soon Nokia Lumia 928
Friend's Husband: Nokia Lumia 900
Dad: Nokia Lumia 900, Nokia Lumia 920
Mom: Nokia Lumia 920
Brother: Nokia Lumia 920 (then went back to the 4S, returned the 920)
Me: Dell Venue Pro, Nokia Lumia 900, Nokia Lumia 920
Soon to be 19 phones and 11 people, as my Friend, Friend's Husband, Grandpa, hopefully my brother and sister, hopefully my Cousin, and me again if the next flagship is good.